Home / 149,720,728.40-224,581,092.60-127,801,739.60

Finding the Fourth Proportional to 149,720,728.40, 224,581,092.60 and 127,801,739.60

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Solution

The fourth proportional to 149,720,728.40, 224,581,092.60 and 127,801,739.60 is: 191,702,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,720,728.40 : 224,581,092.60 = 127,801,739.60 : x
  2. Step 2: Convert to fraction form
    149,720,728.40/224,581,092.60 = 127,801,739.60/x
  3. Step 3: Cross multiply
    149,720,728.40x = 224,581,092.60 × 127,801,739.60
  4. Step 4: Simplify right side
    149,720,728.40x = 28,701,854,315,548,684
  5. Step 5: Solve for x
    x = 28,701,854,315,548,684/149,720,728.40
  6. Step 6: Final answer
    x = 191,702,609.40

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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.