Home / 131,328,177.40-196,992,266.10-88,330,007.80

Finding the Fourth Proportional to 131,328,177.40, 196,992,266.10 and 88,330,007.80

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Solution

The fourth proportional to 131,328,177.40, 196,992,266.10 and 88,330,007.80 is: 132,495,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,177.40 : 196,992,266.10 = 88,330,007.80 : x
  2. Step 2: Convert to fraction form
    131,328,177.40/196,992,266.10 = 88,330,007.80/x
  3. Step 3: Cross multiply
    131,328,177.40x = 196,992,266.10 × 88,330,007.80
  4. Step 4: Simplify right side
    131,328,177.40x = 17,400,328,401,152,674
  5. Step 5: Solve for x
    x = 17,400,328,401,152,674/131,328,177.40
  6. Step 6: Final answer
    x = 132,495,011.70

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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.