Home / 65,810,067.40-98,715,101.10-38,869,856.20

Finding the Fourth Proportional to 65,810,067.40, 98,715,101.10 and 38,869,856.20

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Solution

The fourth proportional to 65,810,067.40, 98,715,101.10 and 38,869,856.20 is: 58,304,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,810,067.40 : 98,715,101.10 = 38,869,856.20 : x
  2. Step 2: Convert to fraction form
    65,810,067.40/98,715,101.10 = 38,869,856.20/x
  3. Step 3: Cross multiply
    65,810,067.40x = 98,715,101.10 × 38,869,856.20
  4. Step 4: Simplify right side
    65,810,067.40x = 3,837,041,784,525,462
  5. Step 5: Solve for x
    x = 3,837,041,784,525,462/65,810,067.40
  6. Step 6: Final answer
    x = 58,304,784.30

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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.