Home / 80,514,097.70-120,771,146.55-51,792,664.10

Finding the Fourth Proportional to 80,514,097.70, 120,771,146.55 and 51,792,664.10

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Solution

The fourth proportional to 80,514,097.70, 120,771,146.55 and 51,792,664.10 is: 77,688,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,514,097.70 : 120,771,146.55 = 51,792,664.10 : x
  2. Step 2: Convert to fraction form
    80,514,097.70/120,771,146.55 = 51,792,664.10/x
  3. Step 3: Cross multiply
    80,514,097.70x = 120,771,146.55 × 51,792,664.10
  4. Step 4: Simplify right side
    80,514,097.70x = 6,255,059,426,236,024
  5. Step 5: Solve for x
    x = 6,255,059,426,236,024/80,514,097.70
  6. Step 6: Final answer
    x = 77,688,996.15

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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.