Home / 99,026,296.20-148,397,726.70-72,914,828.40

Finding the Fourth Proportional to 99,026,296.20, 148,397,726.70 and 72,914,828.40

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Solution

The fourth proportional to 99,026,296.20, 148,397,726.70 and 72,914,828.40 is: 109,267,893.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,026,296.20 : 148,397,726.70 = 72,914,828.40 : x
  2. Step 2: Convert to fraction form
    99,026,296.20/148,397,726.70 = 72,914,828.40/x
  3. Step 3: Cross multiply
    99,026,296.20x = 148,397,726.70 × 72,914,828.40
  4. Step 4: Simplify right side
    99,026,296.20x = 10,820,394,777,280,598
  5. Step 5: Solve for x
    x = 10,820,394,777,280,598/99,026,296.20
  6. Step 6: Final answer
    x = 109,267,893.40

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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.