Home / 144,468,989.80-216,774,343.51-67,798,251.88

Finding the Fourth Proportional to 144,468,989.80, 216,774,343.51 and 67,798,251.88

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Solution

The fourth proportional to 144,468,989.80, 216,774,343.51 and 67,798,251.88 is: 101,730,631.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,468,989.80 : 216,774,343.51 = 67,798,251.88 : x
  2. Step 2: Convert to fraction form
    144,468,989.80/216,774,343.51 = 67,798,251.88/x
  3. Step 3: Cross multiply
    144,468,989.80x = 216,774,343.51 × 67,798,251.88
  4. Step 4: Simplify right side
    144,468,989.80x = 14,696,921,542,412,622
  5. Step 5: Solve for x
    x = 14,696,921,542,412,622/144,468,989.80
  6. Step 6: Final answer
    x = 101,730,631.35

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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.