Home / 65,926,811.20-98,890,216.80-48,708,122.80

Finding the Fourth Proportional to 65,926,811.20, 98,890,216.80 and 48,708,122.80

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Solution

The fourth proportional to 65,926,811.20, 98,890,216.80 and 48,708,122.80 is: 73,062,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,926,811.20 : 98,890,216.80 = 48,708,122.80 : x
  2. Step 2: Convert to fraction form
    65,926,811.20/98,890,216.80 = 48,708,122.80/x
  3. Step 3: Cross multiply
    65,926,811.20x = 98,890,216.80 × 48,708,122.80
  4. Step 4: Simplify right side
    65,926,811.20x = 4,816,756,823,613,023
  5. Step 5: Solve for x
    x = 4,816,756,823,613,023/65,926,811.20
  6. Step 6: Final answer
    x = 73,062,184.20

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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.