Home / 72,617,670.80-108,814,531.80-62,987,872.40

Finding the Fourth Proportional to 72,617,670.80, 108,814,531.80 and 62,987,872.40

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Solution

The fourth proportional to 72,617,670.80, 108,814,531.80 and 62,987,872.40 is: 94,384,683.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,617,670.80 : 108,814,531.80 = 62,987,872.40 : x
  2. Step 2: Convert to fraction form
    72,617,670.80/108,814,531.80 = 62,987,872.40/x
  3. Step 3: Cross multiply
    72,617,670.80x = 108,814,531.80 × 62,987,872.40
  4. Step 4: Simplify right side
    72,617,670.80x = 6,853,995,844,284,142
  5. Step 5: Solve for x
    x = 6,853,995,844,284,142/72,617,670.80
  6. Step 6: Final answer
    x = 94,384,683.08

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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.