Home / 65,921,407.20-98,924,101.20-38,627,647.20

Finding the Fourth Proportional to 65,921,407.20, 98,924,101.20 and 38,627,647.20

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Solution

The fourth proportional to 65,921,407.20, 98,924,101.20 and 38,627,647.20 is: 57,966,075.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,921,407.20 : 98,924,101.20 = 38,627,647.20 : x
  2. Step 2: Convert to fraction form
    65,921,407.20/98,924,101.20 = 38,627,647.20/x
  3. Step 3: Cross multiply
    65,921,407.20x = 98,924,101.20 × 38,627,647.20
  4. Step 4: Simplify right side
    65,921,407.20x = 3,821,205,280,730,697
  5. Step 5: Solve for x
    x = 3,821,205,280,730,697/65,921,407.20
  6. Step 6: Final answer
    x = 57,966,075.71

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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.