Home / 149,649,904.20-224,549,505.90-85,003,350.60

Finding the Fourth Proportional to 149,649,904.20, 224,549,505.90 and 85,003,350.60

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Solution

The fourth proportional to 149,649,904.20, 224,549,505.90 and 85,003,350.60 is: 127,547,427.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,649,904.20 : 224,549,505.90 = 85,003,350.60 : x
  2. Step 2: Convert to fraction form
    149,649,904.20/224,549,505.90 = 85,003,350.60/x
  3. Step 3: Cross multiply
    149,649,904.20x = 224,549,505.90 × 85,003,350.60
  4. Step 4: Simplify right side
    149,649,904.20x = 19,087,460,377,074,468
  5. Step 5: Solve for x
    x = 19,087,460,377,074,468/149,649,904.20
  6. Step 6: Final answer
    x = 127,547,427.97

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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.