Home / 141,339,149.78-195,048,330.10-79,459,996.82

Finding the Fourth Proportional to 141,339,149.78, 195,048,330.10 and 79,459,996.82

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Solution

The fourth proportional to 141,339,149.78, 195,048,330.10 and 79,459,996.82 is: 109,654,966.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,339,149.78 : 195,048,330.10 = 79,459,996.82 : x
  2. Step 2: Convert to fraction form
    141,339,149.78/195,048,330.10 = 79,459,996.82/x
  3. Step 3: Cross multiply
    141,339,149.78x = 195,048,330.10 × 79,459,996.82
  4. Step 4: Simplify right side
    141,339,149.78x = 15,498,539,689,492,308
  5. Step 5: Solve for x
    x = 15,498,539,689,492,308/141,339,149.78
  6. Step 6: Final answer
    x = 109,654,966.18

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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.