Home / 121,356,010.90-182,034,016.35-40,576,978.90

Finding the Fourth Proportional to 121,356,010.90, 182,034,016.35 and 40,576,978.90

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Solution

The fourth proportional to 121,356,010.90, 182,034,016.35 and 40,576,978.90 is: 60,865,468.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,356,010.90 : 182,034,016.35 = 40,576,978.90 : x
  2. Step 2: Convert to fraction form
    121,356,010.90/182,034,016.35 = 40,576,978.90/x
  3. Step 3: Cross multiply
    121,356,010.90x = 182,034,016.35 × 40,576,978.90
  4. Step 4: Simplify right side
    121,356,010.90x = 7,386,390,440,516,205
  5. Step 5: Solve for x
    x = 7,386,390,440,516,205/121,356,010.90
  6. Step 6: Final answer
    x = 60,865,468.35

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Similar ratio
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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.