Home / 112,329,961.60-168,494,942.40-63,957,020.80

Finding the Fourth Proportional to 112,329,961.60, 168,494,942.40 and 63,957,020.80

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Solution

The fourth proportional to 112,329,961.60, 168,494,942.40 and 63,957,020.80 is: 95,935,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,329,961.60 : 168,494,942.40 = 63,957,020.80 : x
  2. Step 2: Convert to fraction form
    112,329,961.60/168,494,942.40 = 63,957,020.80/x
  3. Step 3: Cross multiply
    112,329,961.60x = 168,494,942.40 × 63,957,020.80
  4. Step 4: Simplify right side
    112,329,961.60x = 10,776,434,535,771,602
  5. Step 5: Solve for x
    x = 10,776,434,535,771,602/112,329,961.60
  6. Step 6: Final answer
    x = 95,935,531.20

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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.