Home / 148,868,141.80-223,302,212.70-142,171,985.20

Finding the Fourth Proportional to 148,868,141.80, 223,302,212.70 and 142,171,985.20

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Solution

The fourth proportional to 148,868,141.80, 223,302,212.70 and 142,171,985.20 is: 213,257,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,868,141.80 : 223,302,212.70 = 142,171,985.20 : x
  2. Step 2: Convert to fraction form
    148,868,141.80/223,302,212.70 = 142,171,985.20/x
  3. Step 3: Cross multiply
    148,868,141.80x = 223,302,212.70 × 142,171,985.20
  4. Step 4: Simplify right side
    148,868,141.80x = 31,747,318,879,111,648
  5. Step 5: Solve for x
    x = 31,747,318,879,111,648/148,868,141.80
  6. Step 6: Final answer
    x = 213,257,977.80

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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.