Home / 56,999,159.88-78,666,125.31-31,882,665.03

Finding the Fourth Proportional to 56,999,159.88, 78,666,125.31 and 31,882,665.03

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Solution

The fourth proportional to 56,999,159.88, 78,666,125.31 and 31,882,665.03 is: 44,002,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,999,159.88 : 78,666,125.31 = 31,882,665.03 : x
  2. Step 2: Convert to fraction form
    56,999,159.88/78,666,125.31 = 31,882,665.03/x
  3. Step 3: Cross multiply
    56,999,159.88x = 78,666,125.31 × 31,882,665.03
  4. Step 4: Simplify right side
    56,999,159.88x = 2,508,085,722,466,735
  5. Step 5: Solve for x
    x = 2,508,085,722,466,735/56,999,159.88
  6. Step 6: Final answer
    x = 44,002,152.45

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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.