Home / 72,600,129.40-108,804,549.30-53,340,532.60

Finding the Fourth Proportional to 72,600,129.40, 108,804,549.30 and 53,340,532.60

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Solution

The fourth proportional to 72,600,129.40, 108,804,549.30 and 53,340,532.60 is: 79,940,527.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,600,129.40 : 108,804,549.30 = 53,340,532.60 : x
  2. Step 2: Convert to fraction form
    72,600,129.40/108,804,549.30 = 53,340,532.60/x
  3. Step 3: Cross multiply
    72,600,129.40x = 108,804,549.30 × 53,340,532.60
  4. Step 4: Simplify right side
    72,600,129.40x = 5,803,692,608,964,957
  5. Step 5: Solve for x
    x = 5,803,692,608,964,957/72,600,129.40
  6. Step 6: Final answer
    x = 79,940,527.06

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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.