Home / 70,722,681.96-106,084,052.37-31,815,689.13

Finding the Fourth Proportional to 70,722,681.96, 106,084,052.37 and 31,815,689.13

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Solution

The fourth proportional to 70,722,681.96, 106,084,052.37 and 31,815,689.13 is: 47,723,546.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,722,681.96 : 106,084,052.37 = 31,815,689.13 : x
  2. Step 2: Convert to fraction form
    70,722,681.96/106,084,052.37 = 31,815,689.13/x
  3. Step 3: Cross multiply
    70,722,681.96x = 106,084,052.37 × 31,815,689.13
  4. Step 4: Simplify right side
    70,722,681.96x = 3,375,137,231,854,560
  5. Step 5: Solve for x
    x = 3,375,137,231,854,560/70,722,681.96
  6. Step 6: Final answer
    x = 47,723,546.93

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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.