Home / 72,287,625.80-108,272,006.40-43,483,523.60

Finding the Fourth Proportional to 72,287,625.80, 108,272,006.40 and 43,483,523.60

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Solution

The fourth proportional to 72,287,625.80, 108,272,006.40 and 43,483,523.60 is: 65,129,381.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,287,625.80 : 108,272,006.40 = 43,483,523.60 : x
  2. Step 2: Convert to fraction form
    72,287,625.80/108,272,006.40 = 43,483,523.60/x
  3. Step 3: Cross multiply
    72,287,625.80x = 108,272,006.40 × 43,483,523.60
  4. Step 4: Simplify right side
    72,287,625.80x = 4,708,048,345,513,751
  5. Step 5: Solve for x
    x = 4,708,048,345,513,751/72,287,625.80
  6. Step 6: Final answer
    x = 65,129,381.32

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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.