Home / 140,369,542.65-193,695,055.92-77,635,671.84

Finding the Fourth Proportional to 140,369,542.65, 193,695,055.92 and 77,635,671.84

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Solution

The fourth proportional to 140,369,542.65, 193,695,055.92 and 77,635,671.84 is: 107,128,979.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,369,542.65 : 193,695,055.92 = 77,635,671.84 : x
  2. Step 2: Convert to fraction form
    140,369,542.65/193,695,055.92 = 77,635,671.84/x
  3. Step 3: Cross multiply
    140,369,542.65x = 193,695,055.92 × 77,635,671.84
  4. Step 4: Simplify right side
    140,369,542.65x = 15,037,645,798,435,568
  5. Step 5: Solve for x
    x = 15,037,645,798,435,568/140,369,542.65
  6. Step 6: Final answer
    x = 107,128,979.08

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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.