Home / 74,724,684.12-103,117,724.46-43,805,446.20

Finding the Fourth Proportional to 74,724,684.12, 103,117,724.46 and 43,805,446.20

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Solution

The fourth proportional to 74,724,684.12, 103,117,724.46 and 43,805,446.20 is: 60,450,144.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,724,684.12 : 103,117,724.46 = 43,805,446.20 : x
  2. Step 2: Convert to fraction form
    74,724,684.12/103,117,724.46 = 43,805,446.20/x
  3. Step 3: Cross multiply
    74,724,684.12x = 103,117,724.46 × 43,805,446.20
  4. Step 4: Simplify right side
    74,724,684.12x = 4,517,117,931,098,954
  5. Step 5: Solve for x
    x = 4,517,117,931,098,954/74,724,684.12
  6. Step 6: Final answer
    x = 60,450,144.21

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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.