Home / 105,486,542.61-158,223,685.46-31,708,729.41

Finding the Fourth Proportional to 105,486,542.61, 158,223,685.46 and 31,708,729.41

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Solution

The fourth proportional to 105,486,542.61, 158,223,685.46 and 31,708,729.41 is: 47,561,251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,486,542.61 : 158,223,685.46 = 31,708,729.41 : x
  2. Step 2: Convert to fraction form
    105,486,542.61/158,223,685.46 = 31,708,729.41/x
  3. Step 3: Cross multiply
    105,486,542.61x = 158,223,685.46 × 31,708,729.41
  4. Step 4: Simplify right side
    105,486,542.61x = 5,017,072,028,345,548
  5. Step 5: Solve for x
    x = 5,017,072,028,345,548/105,486,542.61
  6. Step 6: Final answer
    x = 47,561,251.93

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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.