Home / 121,360,030.20-182,040,045.30-40,580,998.20

Finding the Fourth Proportional to 121,360,030.20, 182,040,045.30 and 40,580,998.20

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Solution

The fourth proportional to 121,360,030.20, 182,040,045.30 and 40,580,998.20 is: 60,871,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,360,030.20 : 182,040,045.30 = 40,580,998.20 : x
  2. Step 2: Convert to fraction form
    121,360,030.20/182,040,045.30 = 40,580,998.20/x
  3. Step 3: Cross multiply
    121,360,030.20x = 182,040,045.30 × 40,580,998.20
  4. Step 4: Simplify right side
    121,360,030.20x = 7,387,366,750,647,219
  5. Step 5: Solve for x
    x = 7,387,366,750,647,219/121,360,030.20
  6. Step 6: Final answer
    x = 60,871,497.30

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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.