Home / 73,102,887.30-109,654,330.95-70,977,123.30

Finding the Fourth Proportional to 73,102,887.30, 109,654,330.95 and 70,977,123.30

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Solution

The fourth proportional to 73,102,887.30, 109,654,330.95 and 70,977,123.30 is: 106,465,684.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,102,887.30 : 109,654,330.95 = 70,977,123.30 : x
  2. Step 2: Convert to fraction form
    73,102,887.30/109,654,330.95 = 70,977,123.30/x
  3. Step 3: Cross multiply
    73,102,887.30x = 109,654,330.95 × 70,977,123.30
  4. Step 4: Simplify right side
    73,102,887.30x = 7,782,948,968,217,156
  5. Step 5: Solve for x
    x = 7,782,948,968,217,156/73,102,887.30
  6. Step 6: Final answer
    x = 106,465,684.95

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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.