Home / 247,644,378.45-371,466,567.68-140,148,954.45

Finding the Fourth Proportional to 247,644,378.45, 371,466,567.68 and 140,148,954.45

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Solution

The fourth proportional to 247,644,378.45, 371,466,567.68 and 140,148,954.45 is: 210,223,431.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,644,378.45 : 371,466,567.68 = 140,148,954.45 : x
  2. Step 2: Convert to fraction form
    247,644,378.45/371,466,567.68 = 140,148,954.45/x
  3. Step 3: Cross multiply
    247,644,378.45x = 371,466,567.68 × 140,148,954.45
  4. Step 4: Simplify right side
    247,644,378.45x = 52,060,651,072,781,416
  5. Step 5: Solve for x
    x = 52,060,651,072,781,416/247,644,378.45
  6. Step 6: Final answer
    x = 210,223,431.68

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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.