Home / 72,380,129.60-108,585,940.80-23,849,724.80

Finding the Fourth Proportional to 72,380,129.60, 108,585,940.80 and 23,849,724.80

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Solution

The fourth proportional to 72,380,129.60, 108,585,940.80 and 23,849,724.80 is: 35,779,775.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,380,129.60 : 108,585,940.80 = 23,849,724.80 : x
  2. Step 2: Convert to fraction form
    72,380,129.60/108,585,940.80 = 23,849,724.80/x
  3. Step 3: Cross multiply
    72,380,129.60x = 108,585,940.80 × 23,849,724.80
  4. Step 4: Simplify right side
    72,380,129.60x = 2,589,744,805,229,092
  5. Step 5: Solve for x
    x = 2,589,744,805,229,092/72,380,129.60
  6. Step 6: Final answer
    x = 35,779,775.74

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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.