Home / 170,496,014.10-255,744,021.15-156,387,239.70

Finding the Fourth Proportional to 170,496,014.10, 255,744,021.15 and 156,387,239.70

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Solution

The fourth proportional to 170,496,014.10, 255,744,021.15 and 156,387,239.70 is: 234,580,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,496,014.10 : 255,744,021.15 = 156,387,239.70 : x
  2. Step 2: Convert to fraction form
    170,496,014.10/255,744,021.15 = 156,387,239.70/x
  3. Step 3: Cross multiply
    170,496,014.10x = 255,744,021.15 × 156,387,239.70
  4. Step 4: Simplify right side
    170,496,014.10x = 39,995,101,537,426,920
  5. Step 5: Solve for x
    x = 39,995,101,537,426,920/170,496,014.10
  6. Step 6: Final answer
    x = 234,580,859.55

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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.