Home / 99,652,109.20-149,478,163.80-83,527,795.60

Finding the Fourth Proportional to 99,652,109.20, 149,478,163.80 and 83,527,795.60

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Solution

The fourth proportional to 99,652,109.20, 149,478,163.80 and 83,527,795.60 is: 125,291,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,652,109.20 : 149,478,163.80 = 83,527,795.60 : x
  2. Step 2: Convert to fraction form
    99,652,109.20/149,478,163.80 = 83,527,795.60/x
  3. Step 3: Cross multiply
    99,652,109.20x = 149,478,163.80 × 83,527,795.60
  4. Step 4: Simplify right side
    99,652,109.20x = 12,485,581,512,549,720
  5. Step 5: Solve for x
    x = 12,485,581,512,549,720/99,652,109.20
  6. Step 6: Final answer
    x = 125,291,693.40

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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.