Home / 160,111,618.79-240,120,314.33-72,622,520.87

Finding the Fourth Proportional to 160,111,618.79, 240,120,314.33 and 72,622,520.87

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Solution

The fourth proportional to 160,111,618.79, 240,120,314.33 and 72,622,520.87 is: 108,912,411.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,111,618.79 : 240,120,314.33 = 72,622,520.87 : x
  2. Step 2: Convert to fraction form
    160,111,618.79/240,120,314.33 = 72,622,520.87/x
  3. Step 3: Cross multiply
    160,111,618.79x = 240,120,314.33 × 72,622,520.87
  4. Step 4: Simplify right side
    160,111,618.79x = 17,438,142,537,177,668
  5. Step 5: Solve for x
    x = 17,438,142,537,177,668/160,111,618.79
  6. Step 6: Final answer
    x = 108,912,411.66

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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.