Home / 77,708,113.38-107,236,641.20-42,425,917.29

Finding the Fourth Proportional to 77,708,113.38, 107,236,641.20 and 42,425,917.29

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Solution

The fourth proportional to 77,708,113.38, 107,236,641.20 and 42,425,917.29 is: 58,547,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,708,113.38 : 107,236,641.20 = 42,425,917.29 : x
  2. Step 2: Convert to fraction form
    77,708,113.38/107,236,641.20 = 42,425,917.29/x
  3. Step 3: Cross multiply
    77,708,113.38x = 107,236,641.20 × 42,425,917.29
  4. Step 4: Simplify right side
    77,708,113.38x = 4,549,612,869,796,476
  5. Step 5: Solve for x
    x = 4,549,612,869,796,476/77,708,113.38
  6. Step 6: Final answer
    x = 58,547,462.70

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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.