Home / 60,998,499.04-91,500,691.28-20,057,031.76

Finding the Fourth Proportional to 60,998,499.04, 91,500,691.28 and 20,057,031.76

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Solution

The fourth proportional to 60,998,499.04, 91,500,691.28 and 20,057,031.76 is: 30,086,515.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,998,499.04 : 91,500,691.28 = 20,057,031.76 : x
  2. Step 2: Convert to fraction form
    60,998,499.04/91,500,691.28 = 20,057,031.76/x
  3. Step 3: Cross multiply
    60,998,499.04x = 91,500,691.28 × 20,057,031.76
  4. Step 4: Simplify right side
    60,998,499.04x = 1,835,232,271,064,915.25
  5. Step 5: Solve for x
    x = 1,835,232,271,064,915.25/60,998,499.04
  6. Step 6: Final answer
    x = 30,086,515.24

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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.