Home / 68,982,938.20-103,348,436.10-56,133,875.80

Finding the Fourth Proportional to 68,982,938.20, 103,348,436.10 and 56,133,875.80

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Solution

The fourth proportional to 68,982,938.20, 103,348,436.10 and 56,133,875.80 is: 84,098,306.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,982,938.20 : 103,348,436.10 = 56,133,875.80 : x
  2. Step 2: Convert to fraction form
    68,982,938.20/103,348,436.10 = 56,133,875.80/x
  3. Step 3: Cross multiply
    68,982,938.20x = 103,348,436.10 × 56,133,875.80
  4. Step 4: Simplify right side
    68,982,938.20x = 5,801,348,276,161,636
  5. Step 5: Solve for x
    x = 5,801,348,276,161,636/68,982,938.20
  6. Step 6: Final answer
    x = 84,098,306.44

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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.