Home / 65,924,932.20-98,929,388.70-38,631,172.20

Finding the Fourth Proportional to 65,924,932.20, 98,929,388.70 and 38,631,172.20

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Solution

The fourth proportional to 65,924,932.20, 98,929,388.70 and 38,631,172.20 is: 57,971,364.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,924,932.20 : 98,929,388.70 = 38,631,172.20 : x
  2. Step 2: Convert to fraction form
    65,924,932.20/98,929,388.70 = 38,631,172.20/x
  3. Step 3: Cross multiply
    65,924,932.20x = 98,929,388.70 × 38,631,172.20
  4. Step 4: Simplify right side
    65,924,932.20x = 3,821,758,250,510,434.50
  5. Step 5: Solve for x
    x = 3,821,758,250,510,434.50/65,924,932.20
  6. Step 6: Final answer
    x = 57,971,364.14

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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.