Home / 83,415,601.60-124,960,509.78-39,634,055.08

Finding the Fourth Proportional to 83,415,601.60, 124,960,509.78 and 39,634,055.08

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Solution

The fourth proportional to 83,415,601.60, 124,960,509.78 and 39,634,055.08 is: 59,373,685.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,415,601.60 : 124,960,509.78 = 39,634,055.08 : x
  2. Step 2: Convert to fraction form
    83,415,601.60/124,960,509.78 = 39,634,055.08/x
  3. Step 3: Cross multiply
    83,415,601.60x = 124,960,509.78 × 39,634,055.08
  4. Step 4: Simplify right side
    83,415,601.60x = 4,952,691,727,445,399
  5. Step 5: Solve for x
    x = 4,952,691,727,445,399/83,415,601.60
  6. Step 6: Final answer
    x = 59,373,685.89

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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.