Home / 68,979,868.60-103,537,877.46-36,631,678.36

Finding the Fourth Proportional to 68,979,868.60, 103,537,877.46 and 36,631,678.36

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Solution

The fourth proportional to 68,979,868.60, 103,537,877.46 and 36,631,678.36 is: 54,983,668.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,979,868.60 : 103,537,877.46 = 36,631,678.36 : x
  2. Step 2: Convert to fraction form
    68,979,868.60/103,537,877.46 = 36,631,678.36/x
  3. Step 3: Cross multiply
    68,979,868.60x = 103,537,877.46 × 36,631,678.36
  4. Step 4: Simplify right side
    68,979,868.60x = 3,792,766,225,191,813.50
  5. Step 5: Solve for x
    x = 3,792,766,225,191,813.50/68,979,868.60
  6. Step 6: Final answer
    x = 54,983,668.46

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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.