Home / 137,530,957.68-206,321,951.40-45,421,075.44

Finding the Fourth Proportional to 137,530,957.68, 206,321,951.40 and 45,421,075.44

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Solution

The fourth proportional to 137,530,957.68, 206,321,951.40 and 45,421,075.44 is: 68,140,039.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,530,957.68 : 206,321,951.40 = 45,421,075.44 : x
  2. Step 2: Convert to fraction form
    137,530,957.68/206,321,951.40 = 45,421,075.44/x
  3. Step 3: Cross multiply
    137,530,957.68x = 206,321,951.40 × 45,421,075.44
  4. Step 4: Simplify right side
    137,530,957.68x = 9,371,364,919,467,414
  5. Step 5: Solve for x
    x = 9,371,364,919,467,414/137,530,957.68
  6. Step 6: Final answer
    x = 68,140,039.72

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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.