Home / 99,652,196.20-149,478,294.30-91,999,445.80

Finding the Fourth Proportional to 99,652,196.20, 149,478,294.30 and 91,999,445.80

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Solution

The fourth proportional to 99,652,196.20, 149,478,294.30 and 91,999,445.80 is: 137,999,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,652,196.20 : 149,478,294.30 = 91,999,445.80 : x
  2. Step 2: Convert to fraction form
    99,652,196.20/149,478,294.30 = 91,999,445.80/x
  3. Step 3: Cross multiply
    99,652,196.20x = 149,478,294.30 × 91,999,445.80
  4. Step 4: Simplify right side
    99,652,196.20x = 13,751,920,234,729,300
  5. Step 5: Solve for x
    x = 13,751,920,234,729,300/99,652,196.20
  6. Step 6: Final answer
    x = 137,999,168.70

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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.