Home / 108,633,142.86-149,917,679.39-62,232,364.85

Finding the Fourth Proportional to 108,633,142.86, 149,917,679.39 and 62,232,364.85

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Solution

The fourth proportional to 108,633,142.86, 149,917,679.39 and 62,232,364.85 is: 85,882,921.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,633,142.86 : 149,917,679.39 = 62,232,364.85 : x
  2. Step 2: Convert to fraction form
    108,633,142.86/149,917,679.39 = 62,232,364.85/x
  3. Step 3: Cross multiply
    108,633,142.86x = 149,917,679.39 × 62,232,364.85
  4. Step 4: Simplify right side
    108,633,142.86x = 9,329,731,721,075,592
  5. Step 5: Solve for x
    x = 9,329,731,721,075,592/108,633,142.86
  6. Step 6: Final answer
    x = 85,882,921.87

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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.