Home / 84,165,717.80-126,036,000.30-67,159,605.80

Finding the Fourth Proportional to 84,165,717.80, 126,036,000.30 and 67,159,605.80

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Solution

The fourth proportional to 84,165,717.80, 126,036,000.30 and 67,159,605.80 is: 100,569,784.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,165,717.80 : 126,036,000.30 = 67,159,605.80 : x
  2. Step 2: Convert to fraction form
    84,165,717.80/126,036,000.30 = 67,159,605.80/x
  3. Step 3: Cross multiply
    84,165,717.80x = 126,036,000.30 × 67,159,605.80
  4. Step 4: Simplify right side
    84,165,717.80x = 8,464,528,096,756,681
  5. Step 5: Solve for x
    x = 8,464,528,096,756,681/84,165,717.80
  6. Step 6: Final answer
    x = 100,569,784.44

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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.