Home / 77,541,664.66-107,002,689.33-42,732,410.38

Finding the Fourth Proportional to 77,541,664.66, 107,002,689.33 and 42,732,410.38

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Solution

The fourth proportional to 77,541,664.66, 107,002,689.33 and 42,732,410.38 is: 58,968,076.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,541,664.66 : 107,002,689.33 = 42,732,410.38 : x
  2. Step 2: Convert to fraction form
    77,541,664.66/107,002,689.33 = 42,732,410.38/x
  3. Step 3: Cross multiply
    77,541,664.66x = 107,002,689.33 × 42,732,410.38
  4. Step 4: Simplify right side
    77,541,664.66x = 4,572,482,832,213,207
  5. Step 5: Solve for x
    x = 4,572,482,832,213,207/77,541,664.66
  6. Step 6: Final answer
    x = 58,968,076.74

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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.