Home / 72,393,287.60-108,589,931.40-59,638,703.60

Finding the Fourth Proportional to 72,393,287.60, 108,589,931.40 and 59,638,703.60

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Solution

The fourth proportional to 72,393,287.60, 108,589,931.40 and 59,638,703.60 is: 89,458,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,393,287.60 : 108,589,931.40 = 59,638,703.60 : x
  2. Step 2: Convert to fraction form
    72,393,287.60/108,589,931.40 = 59,638,703.60/x
  3. Step 3: Cross multiply
    72,393,287.60x = 108,589,931.40 × 59,638,703.60
  4. Step 4: Simplify right side
    72,393,287.60x = 6,476,162,732,708,934
  5. Step 5: Solve for x
    x = 6,476,162,732,708,934/72,393,287.60
  6. Step 6: Final answer
    x = 89,458,055.40

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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.