Home / 100,011,015.10-149,780,593.05-61,790,419.90

Finding the Fourth Proportional to 100,011,015.10, 149,780,593.05 and 61,790,419.90

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Solution

The fourth proportional to 100,011,015.10, 149,780,593.05 and 61,790,419.90 is: 92,539,864.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,011,015.10 : 149,780,593.05 = 61,790,419.90 : x
  2. Step 2: Convert to fraction form
    100,011,015.10/149,780,593.05 = 61,790,419.90/x
  3. Step 3: Cross multiply
    100,011,015.10x = 149,780,593.05 × 61,790,419.90
  4. Step 4: Simplify right side
    100,011,015.10x = 9,255,005,737,430,522
  5. Step 5: Solve for x
    x = 9,255,005,737,430,522/100,011,015.10
  6. Step 6: Final answer
    x = 92,539,864.02

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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.