Home / 117,808,101.20-176,712,151.80-31,559,819.60

Finding the Fourth Proportional to 117,808,101.20, 176,712,151.80 and 31,559,819.60

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Solution

The fourth proportional to 117,808,101.20, 176,712,151.80 and 31,559,819.60 is: 47,339,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,808,101.20 : 176,712,151.80 = 31,559,819.60 : x
  2. Step 2: Convert to fraction form
    117,808,101.20/176,712,151.80 = 31,559,819.60/x
  3. Step 3: Cross multiply
    117,808,101.20x = 176,712,151.80 × 31,559,819.60
  4. Step 4: Simplify right side
    117,808,101.20x = 5,577,003,631,935,816
  5. Step 5: Solve for x
    x = 5,577,003,631,935,816/117,808,101.20
  6. Step 6: Final answer
    x = 47,339,729.40

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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.