Home / 208,713,124.72-288,050,684.08-126,207,499.92

Finding the Fourth Proportional to 208,713,124.72, 288,050,684.08 and 126,207,499.92

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Solution

The fourth proportional to 208,713,124.72, 288,050,684.08 and 126,207,499.92 is: 174,182,417.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,713,124.72 : 288,050,684.08 = 126,207,499.92 : x
  2. Step 2: Convert to fraction form
    208,713,124.72/288,050,684.08 = 126,207,499.92/x
  3. Step 3: Cross multiply
    208,713,124.72x = 288,050,684.08 × 126,207,499.92
  4. Step 4: Simplify right side
    208,713,124.72x = 36,354,156,687,982,544
  5. Step 5: Solve for x
    x = 36,354,156,687,982,544/208,713,124.72
  6. Step 6: Final answer
    x = 174,182,417.79

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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.