Home / 148,868,139.80-223,302,209.70-142,171,983.20

Finding the Fourth Proportional to 148,868,139.80, 223,302,209.70 and 142,171,983.20

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Solution

The fourth proportional to 148,868,139.80, 223,302,209.70 and 142,171,983.20 is: 213,257,974.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,868,139.80 : 223,302,209.70 = 142,171,983.20 : x
  2. Step 2: Convert to fraction form
    148,868,139.80/223,302,209.70 = 142,171,983.20/x
  3. Step 3: Cross multiply
    148,868,139.80x = 223,302,209.70 × 142,171,983.20
  4. Step 4: Simplify right side
    148,868,139.80x = 31,747,318,005,991,272
  5. Step 5: Solve for x
    x = 31,747,318,005,991,272/148,868,139.80
  6. Step 6: Final answer
    x = 213,257,974.80

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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.