Home / 113,187,289.61-169,816,825.22-40,402,458.86

Finding the Fourth Proportional to 113,187,289.61, 169,816,825.22 and 40,402,458.86

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Solution

The fourth proportional to 113,187,289.61, 169,816,825.22 and 40,402,458.86 is: 60,616,499.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,187,289.61 : 169,816,825.22 = 40,402,458.86 : x
  2. Step 2: Convert to fraction form
    113,187,289.61/169,816,825.22 = 40,402,458.86/x
  3. Step 3: Cross multiply
    113,187,289.61x = 169,816,825.22 × 40,402,458.86
  4. Step 4: Simplify right side
    113,187,289.61x = 6,861,017,293,635,764
  5. Step 5: Solve for x
    x = 6,861,017,293,635,764/113,187,289.61
  6. Step 6: Final answer
    x = 60,616,499.58

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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.