Home / 65,181,859.20-97,847,438.40-38,270,678.40

Finding the Fourth Proportional to 65,181,859.20, 97,847,438.40 and 38,270,678.40

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Solution

The fourth proportional to 65,181,859.20, 97,847,438.40 and 38,270,678.40 is: 57,449,847.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,181,859.20 : 97,847,438.40 = 38,270,678.40 : x
  2. Step 2: Convert to fraction form
    65,181,859.20/97,847,438.40 = 38,270,678.40/x
  3. Step 3: Cross multiply
    65,181,859.20x = 97,847,438.40 × 38,270,678.40
  4. Step 4: Simplify right side
    65,181,859.20x = 3,744,687,847,270,210.50
  5. Step 5: Solve for x
    x = 3,744,687,847,270,210.50/65,181,859.20
  6. Step 6: Final answer
    x = 57,449,847.14

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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.