Home / 99,680,021.55-149,586,905.93-34,983,701.55

Finding the Fourth Proportional to 99,680,021.55, 149,586,905.93 and 34,983,701.55

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Solution

The fourth proportional to 99,680,021.55, 149,586,905.93 and 34,983,701.55 is: 52,499,022.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,680,021.55 : 149,586,905.93 = 34,983,701.55 : x
  2. Step 2: Convert to fraction form
    99,680,021.55/149,586,905.93 = 34,983,701.55/x
  3. Step 3: Cross multiply
    99,680,021.55x = 149,586,905.93 × 34,983,701.55
  4. Step 4: Simplify right side
    99,680,021.55x = 5,233,103,672,843,045
  5. Step 5: Solve for x
    x = 5,233,103,672,843,045/99,680,021.55
  6. Step 6: Final answer
    x = 52,499,022.29

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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.