Home / 129,366,502.81-193,740,401.43-74,613,091.17

Finding the Fourth Proportional to 129,366,502.81, 193,740,401.43 and 74,613,091.17

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Solution

The fourth proportional to 129,366,502.81, 193,740,401.43 and 74,613,091.17 is: 111,741,215.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,366,502.81 : 193,740,401.43 = 74,613,091.17 : x
  2. Step 2: Convert to fraction form
    129,366,502.81/193,740,401.43 = 74,613,091.17/x
  3. Step 3: Cross multiply
    129,366,502.81x = 193,740,401.43 × 74,613,091.17
  4. Step 4: Simplify right side
    129,366,502.81x = 14,455,570,235,208,990
  5. Step 5: Solve for x
    x = 14,455,570,235,208,990/129,366,502.81
  6. Step 6: Final answer
    x = 111,741,215.24

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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.