Home / 94,745,400.80-142,118,101.20-80,874,790.70

Finding the Fourth Proportional to 94,745,400.80, 142,118,101.20 and 80,874,790.70

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Solution

The fourth proportional to 94,745,400.80, 142,118,101.20 and 80,874,790.70 is: 121,312,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,745,400.80 : 142,118,101.20 = 80,874,790.70 : x
  2. Step 2: Convert to fraction form
    94,745,400.80/142,118,101.20 = 80,874,790.70/x
  3. Step 3: Cross multiply
    94,745,400.80x = 142,118,101.20 × 80,874,790.70
  4. Step 4: Simplify right side
    94,745,400.80x = 11,493,771,689,231,418
  5. Step 5: Solve for x
    x = 11,493,771,689,231,418/94,745,400.80
  6. Step 6: Final answer
    x = 121,312,186.05

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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.