Home / 121,315,000.20-181,972,500.30-39,433,720.20

Finding the Fourth Proportional to 121,315,000.20, 181,972,500.30 and 39,433,720.20

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Solution

The fourth proportional to 121,315,000.20, 181,972,500.30 and 39,433,720.20 is: 59,150,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,315,000.20 : 181,972,500.30 = 39,433,720.20 : x
  2. Step 2: Convert to fraction form
    121,315,000.20/181,972,500.30 = 39,433,720.20/x
  3. Step 3: Cross multiply
    121,315,000.20x = 181,972,500.30 × 39,433,720.20
  4. Step 4: Simplify right side
    121,315,000.20x = 7,175,852,660,924,617
  5. Step 5: Solve for x
    x = 7,175,852,660,924,617/121,315,000.20
  6. Step 6: Final answer
    x = 59,150,580.30

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1.5x scale

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.