Home / 105,486,543.11-158,223,686.21-31,708,729.91

Finding the Fourth Proportional to 105,486,543.11, 158,223,686.21 and 31,708,729.91

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Solution

The fourth proportional to 105,486,543.11, 158,223,686.21 and 31,708,729.91 is: 47,561,252.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,486,543.11 : 158,223,686.21 = 31,708,729.91 : x
  2. Step 2: Convert to fraction form
    105,486,543.11/158,223,686.21 = 31,708,729.91/x
  3. Step 3: Cross multiply
    105,486,543.11x = 158,223,686.21 × 31,708,729.91
  4. Step 4: Simplify right side
    105,486,543.11x = 5,017,072,131,238,938
  5. Step 5: Solve for x
    x = 5,017,072,131,238,938/105,486,543.11
  6. Step 6: Final answer
    x = 47,561,252.68

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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.