Home / 121,334,061.60-182,001,092.40-87,321,837.60

Finding the Fourth Proportional to 121,334,061.60, 182,001,092.40 and 87,321,837.60

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Solution

The fourth proportional to 121,334,061.60, 182,001,092.40 and 87,321,837.60 is: 130,982,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,334,061.60 : 182,001,092.40 = 87,321,837.60 : x
  2. Step 2: Convert to fraction form
    121,334,061.60/182,001,092.40 = 87,321,837.60/x
  3. Step 3: Cross multiply
    121,334,061.60x = 182,001,092.40 × 87,321,837.60
  4. Step 4: Simplify right side
    121,334,061.60x = 15,892,669,833,575,394
  5. Step 5: Solve for x
    x = 15,892,669,833,575,394/121,334,061.60
  6. Step 6: Final answer
    x = 130,982,756.40

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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.