Home / 170,132,537.70-255,104,328.15-67,780,937.70

Finding the Fourth Proportional to 170,132,537.70, 255,104,328.15 and 67,780,937.70

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Solution

The fourth proportional to 170,132,537.70, 255,104,328.15 and 67,780,937.70 is: 101,633,766.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,132,537.70 : 255,104,328.15 = 67,780,937.70 : x
  2. Step 2: Convert to fraction form
    170,132,537.70/255,104,328.15 = 67,780,937.70/x
  3. Step 3: Cross multiply
    170,132,537.70x = 255,104,328.15 × 67,780,937.70
  4. Step 4: Simplify right side
    170,132,537.70x = 17,291,210,573,335,508
  5. Step 5: Solve for x
    x = 17,291,210,573,335,508/170,132,537.70
  6. Step 6: Final answer
    x = 101,633,766.28

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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.