Home / 89,341,731.70-134,012,597.55-80,271,805.30

Finding the Fourth Proportional to 89,341,731.70, 134,012,597.55 and 80,271,805.30

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Solution

The fourth proportional to 89,341,731.70, 134,012,597.55 and 80,271,805.30 is: 120,407,707.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,341,731.70 : 134,012,597.55 = 80,271,805.30 : x
  2. Step 2: Convert to fraction form
    89,341,731.70/134,012,597.55 = 80,271,805.30/x
  3. Step 3: Cross multiply
    89,341,731.70x = 134,012,597.55 × 80,271,805.30
  4. Step 4: Simplify right side
    89,341,731.70x = 10,757,433,138,280,856
  5. Step 5: Solve for x
    x = 10,757,433,138,280,856/89,341,731.70
  6. Step 6: Final answer
    x = 120,407,707.95

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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.