Home / 113,186,981.60-169,780,472.40-36,512,511.20

Finding the Fourth Proportional to 113,186,981.60, 169,780,472.40 and 36,512,511.20

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Solution

The fourth proportional to 113,186,981.60, 169,780,472.40 and 36,512,511.20 is: 54,768,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,186,981.60 : 169,780,472.40 = 36,512,511.20 : x
  2. Step 2: Convert to fraction form
    113,186,981.60/169,780,472.40 = 36,512,511.20/x
  3. Step 3: Cross multiply
    113,186,981.60x = 169,780,472.40 × 36,512,511.20
  4. Step 4: Simplify right side
    113,186,981.60x = 6,199,111,400,046,292
  5. Step 5: Solve for x
    x = 6,199,111,400,046,292/113,186,981.60
  6. Step 6: Final answer
    x = 54,768,766.80

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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.