Home / 100,948,864.10-151,423,296.15-68,700,236.90

Finding the Fourth Proportional to 100,948,864.10, 151,423,296.15 and 68,700,236.90

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Solution

The fourth proportional to 100,948,864.10, 151,423,296.15 and 68,700,236.90 is: 103,050,355.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,948,864.10 : 151,423,296.15 = 68,700,236.90 : x
  2. Step 2: Convert to fraction form
    100,948,864.10/151,423,296.15 = 68,700,236.90/x
  3. Step 3: Cross multiply
    100,948,864.10x = 151,423,296.15 × 68,700,236.90
  4. Step 4: Simplify right side
    100,948,864.10x = 10,402,816,317,683,860
  5. Step 5: Solve for x
    x = 10,402,816,317,683,860/100,948,864.10
  6. Step 6: Final answer
    x = 103,050,355.35

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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.