Home / 65,615,614.80-98,423,422.20-40,106,446.80

Finding the Fourth Proportional to 65,615,614.80, 98,423,422.20 and 40,106,446.80

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Solution

The fourth proportional to 65,615,614.80, 98,423,422.20 and 40,106,446.80 is: 60,159,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,615,614.80 : 98,423,422.20 = 40,106,446.80 : x
  2. Step 2: Convert to fraction form
    65,615,614.80/98,423,422.20 = 40,106,446.80/x
  3. Step 3: Cross multiply
    65,615,614.80x = 98,423,422.20 × 40,106,446.80
  4. Step 4: Simplify right side
    65,615,614.80x = 3,947,413,746,338,239
  5. Step 5: Solve for x
    x = 3,947,413,746,338,239/65,615,614.80
  6. Step 6: Final answer
    x = 60,159,670.20

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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.