Home / 68,979,867.60-103,537,875.96-36,631,677.36

Finding the Fourth Proportional to 68,979,867.60, 103,537,875.96 and 36,631,677.36

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Solution

The fourth proportional to 68,979,867.60, 103,537,875.96 and 36,631,677.36 is: 54,983,666.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,979,867.60 : 103,537,875.96 = 36,631,677.36 : x
  2. Step 2: Convert to fraction form
    68,979,867.60/103,537,875.96 = 36,631,677.36/x
  3. Step 3: Cross multiply
    68,979,867.60x = 103,537,875.96 × 36,631,677.36
  4. Step 4: Simplify right side
    68,979,867.60x = 3,792,766,066,706,420
  5. Step 5: Solve for x
    x = 3,792,766,066,706,420/68,979,867.60
  6. Step 6: Final answer
    x = 54,983,666.95

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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.