Home / 138,899,302.93-208,348,844.94-41,855,011.66

Finding the Fourth Proportional to 138,899,302.93, 208,348,844.94 and 41,855,011.66

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Solution

The fourth proportional to 138,899,302.93, 208,348,844.94 and 41,855,011.66 is: 62,782,484.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,899,302.93 : 208,348,844.94 = 41,855,011.66 : x
  2. Step 2: Convert to fraction form
    138,899,302.93/208,348,844.94 = 41,855,011.66/x
  3. Step 3: Cross multiply
    138,899,302.93x = 208,348,844.94 × 41,855,011.66
  4. Step 4: Simplify right side
    138,899,302.93x = 8,720,443,334,311,231
  5. Step 5: Solve for x
    x = 8,720,443,334,311,231/138,899,302.93
  6. Step 6: Final answer
    x = 62,782,484.51

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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.