Home / 140,962,368,547.20-211,443,552,820.80-129,207,743,932.80

Finding the Fourth Proportional to 140,962,368,547.20, 211,443,552,820.80 and 129,207,743,932.80

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Solution

The fourth proportional to 140,962,368,547.20, 211,443,552,820.80 and 129,207,743,932.80 is: 193,811,615,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,962,368,547.20 : 211,443,552,820.80 = 129,207,743,932.80 : x
  2. Step 2: Convert to fraction form
    140,962,368,547.20/211,443,552,820.80 = 129,207,743,932.80/x
  3. Step 3: Cross multiply
    140,962,368,547.20x = 211,443,552,820.80 × 129,207,743,932.80
  4. Step 4: Simplify right side
    140,962,368,547.20x = 27,320,144,429,111,398,367,232
  5. Step 5: Solve for x
    x = 27,320,144,429,111,398,367,232/140,962,368,547.20
  6. Step 6: Final answer
    x = 193,811,615,899.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.