Home / 148,935,942.90-223,403,914.35-72,408,438.90

Finding the Fourth Proportional to 148,935,942.90, 223,403,914.35 and 72,408,438.90

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Solution

The fourth proportional to 148,935,942.90, 223,403,914.35 and 72,408,438.90 is: 108,612,658.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,935,942.90 : 223,403,914.35 = 72,408,438.90 : x
  2. Step 2: Convert to fraction form
    148,935,942.90/223,403,914.35 = 72,408,438.90/x
  3. Step 3: Cross multiply
    148,935,942.90x = 223,403,914.35 × 72,408,438.90
  4. Step 4: Simplify right side
    148,935,942.90x = 16,176,328,682,232,810
  5. Step 5: Solve for x
    x = 16,176,328,682,232,810/148,935,942.90
  6. Step 6: Final answer
    x = 108,612,658.35

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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.