Home / 89,073,091.10-133,609,636.65-80,463,746.90

Finding the Fourth Proportional to 89,073,091.10, 133,609,636.65 and 80,463,746.90

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Solution

The fourth proportional to 89,073,091.10, 133,609,636.65 and 80,463,746.90 is: 120,695,620.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,073,091.10 : 133,609,636.65 = 80,463,746.90 : x
  2. Step 2: Convert to fraction form
    89,073,091.10/133,609,636.65 = 80,463,746.90/x
  3. Step 3: Cross multiply
    89,073,091.10x = 133,609,636.65 × 80,463,746.90
  4. Step 4: Simplify right side
    89,073,091.10x = 10,750,731,986,806,566
  5. Step 5: Solve for x
    x = 10,750,731,986,806,566/89,073,091.10
  6. Step 6: Final answer
    x = 120,695,620.35

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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.