Home / 310,903,519.80-466,142,703.30-147,219,691.80

Finding the Fourth Proportional to 310,903,519.80, 466,142,703.30 and 147,219,691.80

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Solution

The fourth proportional to 310,903,519.80, 466,142,703.30 and 147,219,691.80 is: 220,728,878.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,903,519.80 : 466,142,703.30 = 147,219,691.80 : x
  2. Step 2: Convert to fraction form
    310,903,519.80/466,142,703.30 = 147,219,691.80/x
  3. Step 3: Cross multiply
    310,903,519.80x = 466,142,703.30 × 147,219,691.80
  4. Step 4: Simplify right side
    310,903,519.80x = 68,625,385,114,644,848
  5. Step 5: Solve for x
    x = 68,625,385,114,644,848/310,903,519.80
  6. Step 6: Final answer
    x = 220,728,878.07

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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.