Home / 247,194,140.64-370,791,211.92-131,829,170.40

Finding the Fourth Proportional to 247,194,140.64, 370,791,211.92 and 131,829,170.40

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Solution

The fourth proportional to 247,194,140.64, 370,791,211.92 and 131,829,170.40 is: 197,743,756.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,194,140.64 : 370,791,211.92 = 131,829,170.40 : x
  2. Step 2: Convert to fraction form
    247,194,140.64/370,791,211.92 = 131,829,170.40/x
  3. Step 3: Cross multiply
    247,194,140.64x = 370,791,211.92 × 131,829,170.40
  4. Step 4: Simplify right side
    247,194,140.64x = 48,881,097,859,024,192
  5. Step 5: Solve for x
    x = 48,881,097,859,024,192/247,194,140.64
  6. Step 6: Final answer
    x = 197,743,756.11

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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.