Home / 120,769,643.10-181,154,464.65-102,062,919.90

Finding the Fourth Proportional to 120,769,643.10, 181,154,464.65 and 102,062,919.90

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Solution

The fourth proportional to 120,769,643.10, 181,154,464.65 and 102,062,919.90 is: 153,094,379.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,769,643.10 : 181,154,464.65 = 102,062,919.90 : x
  2. Step 2: Convert to fraction form
    120,769,643.10/181,154,464.65 = 102,062,919.90/x
  3. Step 3: Cross multiply
    120,769,643.10x = 181,154,464.65 × 102,062,919.90
  4. Step 4: Simplify right side
    120,769,643.10x = 18,489,153,615,100,332
  5. Step 5: Solve for x
    x = 18,489,153,615,100,332/120,769,643.10
  6. Step 6: Final answer
    x = 153,094,379.85

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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.