Home / 148,868,137.80-223,302,206.70-142,171,981.20

Finding the Fourth Proportional to 148,868,137.80, 223,302,206.70 and 142,171,981.20

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Solution

The fourth proportional to 148,868,137.80, 223,302,206.70 and 142,171,981.20 is: 213,257,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,868,137.80 : 223,302,206.70 = 142,171,981.20 : x
  2. Step 2: Convert to fraction form
    148,868,137.80/223,302,206.70 = 142,171,981.20/x
  3. Step 3: Cross multiply
    148,868,137.80x = 223,302,206.70 × 142,171,981.20
  4. Step 4: Simplify right side
    148,868,137.80x = 31,747,317,132,870,908
  5. Step 5: Solve for x
    x = 31,747,317,132,870,908/148,868,137.80
  6. Step 6: Final answer
    x = 213,257,971.80

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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.