Home / 205,758,735.18-284,182,713.81-135,508,379.64

Finding the Fourth Proportional to 205,758,735.18, 284,182,713.81 and 135,508,379.64

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Solution

The fourth proportional to 205,758,735.18, 284,182,713.81 and 135,508,379.64 is: 187,156,764.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,758,735.18 : 284,182,713.81 = 135,508,379.64 : x
  2. Step 2: Convert to fraction form
    205,758,735.18/284,182,713.81 = 135,508,379.64/x
  3. Step 3: Cross multiply
    205,758,735.18x = 284,182,713.81 × 135,508,379.64
  4. Step 4: Simplify right side
    205,758,735.18x = 38,509,139,070,090,944
  5. Step 5: Solve for x
    x = 38,509,139,070,090,944/205,758,735.18
  6. Step 6: Final answer
    x = 187,156,764.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.