Home / 100,732,719.97-151,129,916.90-51,583,372.85

Finding the Fourth Proportional to 100,732,719.97, 151,129,916.90 and 51,583,372.85

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Solution

The fourth proportional to 100,732,719.97, 151,129,916.90 and 51,583,372.85 is: 77,390,850.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,732,719.97 : 151,129,916.90 = 51,583,372.85 : x
  2. Step 2: Convert to fraction form
    100,732,719.97/151,129,916.90 = 51,583,372.85/x
  3. Step 3: Cross multiply
    100,732,719.97x = 151,129,916.90 × 51,583,372.85
  4. Step 4: Simplify right side
    100,732,719.97x = 7,795,790,852,748,999
  5. Step 5: Solve for x
    x = 7,795,790,852,748,999/100,732,719.97
  6. Step 6: Final answer
    x = 77,390,850.31

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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.