Home / 42,051,712.80-63,077,569.20-25,612,471.20

Finding the Fourth Proportional to 42,051,712.80, 63,077,569.20 and 25,612,471.20

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Solution

The fourth proportional to 42,051,712.80, 63,077,569.20 and 25,612,471.20 is: 38,418,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,051,712.80 : 63,077,569.20 = 25,612,471.20 : x
  2. Step 2: Convert to fraction form
    42,051,712.80/63,077,569.20 = 25,612,471.20/x
  3. Step 3: Cross multiply
    42,051,712.80x = 63,077,569.20 × 25,612,471.20
  4. Step 4: Simplify right side
    42,051,712.80x = 1,615,572,424,501,007
  5. Step 5: Solve for x
    x = 1,615,572,424,501,007/42,051,712.80
  6. Step 6: Final answer
    x = 38,418,706.80

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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.