Home / 61,636,048.74-84,920,791.50-40,690,777.95

Finding the Fourth Proportional to 61,636,048.74, 84,920,791.50 and 40,690,777.95

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Solution

The fourth proportional to 61,636,048.74, 84,920,791.50 and 40,690,777.95 is: 56,062,858.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,636,048.74 : 84,920,791.50 = 40,690,777.95 : x
  2. Step 2: Convert to fraction form
    61,636,048.74/84,920,791.50 = 40,690,777.95/x
  3. Step 3: Cross multiply
    61,636,048.74x = 84,920,791.50 × 40,690,777.95
  4. Step 4: Simplify right side
    61,636,048.74x = 3,455,493,070,264,747.50
  5. Step 5: Solve for x
    x = 3,455,493,070,264,747.50/61,636,048.74
  6. Step 6: Final answer
    x = 56,062,858.36

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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.