Home / 402,550,672.10-603,826,008.15-172,543,007.30

Finding the Fourth Proportional to 402,550,672.10, 603,826,008.15 and 172,543,007.30

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Solution

The fourth proportional to 402,550,672.10, 603,826,008.15 and 172,543,007.30 is: 258,814,510.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,550,672.10 : 603,826,008.15 = 172,543,007.30 : x
  2. Step 2: Convert to fraction form
    402,550,672.10/603,826,008.15 = 172,543,007.30/x
  3. Step 3: Cross multiply
    402,550,672.10x = 603,826,008.15 × 172,543,007.30
  4. Step 4: Simplify right side
    402,550,672.10x = 104,185,955,332,155,312
  5. Step 5: Solve for x
    x = 104,185,955,332,155,312/402,550,672.10
  6. Step 6: Final answer
    x = 258,814,510.95

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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.