Home / 120,396,535.70-180,594,803.55-82,132,783.70

Finding the Fourth Proportional to 120,396,535.70, 180,594,803.55 and 82,132,783.70

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Solution

The fourth proportional to 120,396,535.70, 180,594,803.55 and 82,132,783.70 is: 123,199,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,396,535.70 : 180,594,803.55 = 82,132,783.70 : x
  2. Step 2: Convert to fraction form
    120,396,535.70/180,594,803.55 = 82,132,783.70/x
  3. Step 3: Cross multiply
    120,396,535.70x = 180,594,803.55 × 82,132,783.70
  4. Step 4: Simplify right side
    120,396,535.70x = 14,832,753,937,316,144
  5. Step 5: Solve for x
    x = 14,832,753,937,316,144/120,396,535.70
  6. Step 6: Final answer
    x = 123,199,175.55

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1.5x scale

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.