Home / 56,981,480.10-85,480,732.89-18,121,199.82

Finding the Fourth Proportional to 56,981,480.10, 85,480,732.89 and 18,121,199.82

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Solution

The fourth proportional to 56,981,480.10, 85,480,732.89 and 18,121,199.82 is: 27,184,506.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,981,480.10 : 85,480,732.89 = 18,121,199.82 : x
  2. Step 2: Convert to fraction form
    56,981,480.10/85,480,732.89 = 18,121,199.82/x
  3. Step 3: Cross multiply
    56,981,480.10x = 85,480,732.89 × 18,121,199.82
  4. Step 4: Simplify right side
    56,981,480.10x = 1,549,013,441,139,183.25
  5. Step 5: Solve for x
    x = 1,549,013,441,139,183.25/56,981,480.10
  6. Step 6: Final answer
    x = 27,184,506.94

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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.