Home / 169,376,639.90-253,890,176.87-71,065,437.05

Finding the Fourth Proportional to 169,376,639.90, 253,890,176.87 and 71,065,437.05

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Solution

The fourth proportional to 169,376,639.90, 253,890,176.87 and 71,065,437.05 is: 106,524,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,376,639.90 : 253,890,176.87 = 71,065,437.05 : x
  2. Step 2: Convert to fraction form
    169,376,639.90/253,890,176.87 = 71,065,437.05/x
  3. Step 3: Cross multiply
    169,376,639.90x = 253,890,176.87 × 71,065,437.05
  4. Step 4: Simplify right side
    169,376,639.90x = 18,042,816,382,247,748
  5. Step 5: Solve for x
    x = 18,042,816,382,247,748/169,376,639.90
  6. Step 6: Final answer
    x = 106,524,821.80

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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.