Home / 131,148,045.30-196,848,039.15-66,524,819.70

Finding the Fourth Proportional to 131,148,045.30, 196,848,039.15 and 66,524,819.70

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Solution

The fourth proportional to 131,148,045.30, 196,848,039.15 and 66,524,819.70 is: 99,851,128.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,148,045.30 : 196,848,039.15 = 66,524,819.70 : x
  2. Step 2: Convert to fraction form
    131,148,045.30/196,848,039.15 = 66,524,819.70/x
  3. Step 3: Cross multiply
    131,148,045.30x = 196,848,039.15 × 66,524,819.70
  4. Step 4: Simplify right side
    131,148,045.30x = 13,095,280,312,752,292
  5. Step 5: Solve for x
    x = 13,095,280,312,752,292/131,148,045.30
  6. Step 6: Final answer
    x = 99,851,128.42

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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.