Home / 40,128,150.20-60,192,225.30-29,909,449.40

Finding the Fourth Proportional to 40,128,150.20, 60,192,225.30 and 29,909,449.40

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Solution

The fourth proportional to 40,128,150.20, 60,192,225.30 and 29,909,449.40 is: 44,864,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,128,150.20 : 60,192,225.30 = 29,909,449.40 : x
  2. Step 2: Convert to fraction form
    40,128,150.20/60,192,225.30 = 29,909,449.40/x
  3. Step 3: Cross multiply
    40,128,150.20x = 60,192,225.30 × 29,909,449.40
  4. Step 4: Simplify right side
    40,128,150.20x = 1,800,316,316,883,749.75
  5. Step 5: Solve for x
    x = 1,800,316,316,883,749.75/40,128,150.20
  6. Step 6: Final answer
    x = 44,864,174.10

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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.