Home / 65,585,890.20-98,420,825.70-38,292,130.20

Finding the Fourth Proportional to 65,585,890.20, 98,420,825.70 and 38,292,130.20

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Solution

The fourth proportional to 65,585,890.20, 98,420,825.70 and 38,292,130.20 is: 57,462,711.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,585,890.20 : 98,420,825.70 = 38,292,130.20 : x
  2. Step 2: Convert to fraction form
    65,585,890.20/98,420,825.70 = 38,292,130.20/x
  3. Step 3: Cross multiply
    65,585,890.20x = 98,420,825.70 × 38,292,130.20
  4. Step 4: Simplify right side
    65,585,890.20x = 3,768,743,072,095,906.50
  5. Step 5: Solve for x
    x = 3,768,743,072,095,906.50/65,585,890.20
  6. Step 6: Final answer
    x = 57,462,711.27

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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.