Home / 99,072,400.20-148,466,882.70-72,960,932.40

Finding the Fourth Proportional to 99,072,400.20, 148,466,882.70 and 72,960,932.40

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Solution

The fourth proportional to 99,072,400.20, 148,466,882.70 and 72,960,932.40 is: 109,337,032.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,072,400.20 : 148,466,882.70 = 72,960,932.40 : x
  2. Step 2: Convert to fraction form
    99,072,400.20/148,466,882.70 = 72,960,932.40/x
  3. Step 3: Cross multiply
    99,072,400.20x = 148,466,882.70 × 72,960,932.40
  4. Step 4: Simplify right side
    99,072,400.20x = 10,832,282,192,313,430
  5. Step 5: Solve for x
    x = 10,832,282,192,313,430/99,072,400.20
  6. Step 6: Final answer
    x = 109,337,032.01

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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.