Home / 72,600,124.40-108,804,541.80-53,340,527.60

Finding the Fourth Proportional to 72,600,124.40, 108,804,541.80 and 53,340,527.60

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Solution

The fourth proportional to 72,600,124.40, 108,804,541.80 and 53,340,527.60 is: 79,940,519.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,600,124.40 : 108,804,541.80 = 53,340,527.60 : x
  2. Step 2: Convert to fraction form
    72,600,124.40/108,804,541.80 = 53,340,527.60/x
  3. Step 3: Cross multiply
    72,600,124.40x = 108,804,541.80 × 53,340,527.60
  4. Step 4: Simplify right side
    72,600,124.40x = 5,803,691,664,888,254
  5. Step 5: Solve for x
    x = 5,803,691,664,888,254/72,600,124.40
  6. Step 6: Final answer
    x = 79,940,519.56

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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.