Home / 99,668,001.30-149,529,995.55-48,551,687.70

Finding the Fourth Proportional to 99,668,001.30, 149,529,995.55 and 48,551,687.70

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Solution

The fourth proportional to 99,668,001.30, 149,529,995.55 and 48,551,687.70 is: 72,841,168.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,668,001.30 : 149,529,995.55 = 48,551,687.70 : x
  2. Step 2: Convert to fraction form
    99,668,001.30/149,529,995.55 = 48,551,687.70/x
  3. Step 3: Cross multiply
    99,668,001.30x = 149,529,995.55 × 48,551,687.70
  4. Step 4: Simplify right side
    99,668,001.30x = 7,259,933,645,725,991
  5. Step 5: Solve for x
    x = 7,259,933,645,725,991/99,668,001.30
  6. Step 6: Final answer
    x = 72,841,168.19

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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.