Home / 148,781,326.86-205,304,136.03-82,693,977.66

Finding the Fourth Proportional to 148,781,326.86, 205,304,136.03 and 82,693,977.66

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Solution

The fourth proportional to 148,781,326.86, 205,304,136.03 and 82,693,977.66 is: 114,109,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,781,326.86 : 205,304,136.03 = 82,693,977.66 : x
  2. Step 2: Convert to fraction form
    148,781,326.86/205,304,136.03 = 82,693,977.66/x
  3. Step 3: Cross multiply
    148,781,326.86x = 205,304,136.03 × 82,693,977.66
  4. Step 4: Simplify right side
    148,781,326.86x = 16,977,415,638,370,420
  5. Step 5: Solve for x
    x = 16,977,415,638,370,420/148,781,326.86
  6. Step 6: Final answer
    x = 114,109,855.02

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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.