Home / 102,411,996,139.69-141,325,486,525.53-56,688,145,752.40

Finding the Fourth Proportional to 102,411,996,139.69, 141,325,486,525.53 and 56,688,145,752.40

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Solution

The fourth proportional to 102,411,996,139.69, 141,325,486,525.53 and 56,688,145,752.40 is: 78,227,942,825.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,411,996,139.69 : 141,325,486,525.53 = 56,688,145,752.40 : x
  2. Step 2: Convert to fraction form
    102,411,996,139.69/141,325,486,525.53 = 56,688,145,752.40/x
  3. Step 3: Cross multiply
    102,411,996,139.69x = 141,325,486,525.53 × 56,688,145,752.40
  4. Step 4: Simplify right side
    102,411,996,139.69x = 8,011,479,778,688,651,755,520
  5. Step 5: Solve for x
    x = 8,011,479,778,688,651,755,520/102,411,996,139.69
  6. Step 6: Final answer
    x = 78,227,942,825.77

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.