Home / 72,908,235.38-100,565,957.05-46,761,338.18

Finding the Fourth Proportional to 72,908,235.38, 100,565,957.05 and 46,761,338.18

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Solution

The fourth proportional to 72,908,235.38, 100,565,957.05 and 46,761,338.18 is: 64,500,240.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,908,235.38 : 100,565,957.05 = 46,761,338.18 : x
  2. Step 2: Convert to fraction form
    72,908,235.38/100,565,957.05 = 46,761,338.18/x
  3. Step 3: Cross multiply
    72,908,235.38x = 100,565,957.05 × 46,761,338.18
  4. Step 4: Simplify right side
    72,908,235.38x = 4,702,598,726,390,672
  5. Step 5: Solve for x
    x = 4,702,598,726,390,672/72,908,235.38
  6. Step 6: Final answer
    x = 64,500,240.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.