Home / 131,328,332.85-196,992,499.28-40,440,112.05

Finding the Fourth Proportional to 131,328,332.85, 196,992,499.28 and 40,440,112.05

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Solution

The fourth proportional to 131,328,332.85, 196,992,499.28 and 40,440,112.05 is: 60,660,168.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,332.85 : 196,992,499.28 = 40,440,112.05 : x
  2. Step 2: Convert to fraction form
    131,328,332.85/196,992,499.28 = 40,440,112.05/x
  3. Step 3: Cross multiply
    131,328,332.85x = 196,992,499.28 × 40,440,112.05
  4. Step 4: Simplify right side
    131,328,332.85x = 7,966,398,743,690,543
  5. Step 5: Solve for x
    x = 7,966,398,743,690,543/131,328,332.85
  6. Step 6: Final answer
    x = 60,660,168.08

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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.