Home / 126,839,463.29-175,035,482.27-74,631,880.43

Finding the Fourth Proportional to 126,839,463.29, 175,035,482.27 and 74,631,880.43

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Solution

The fourth proportional to 126,839,463.29, 175,035,482.27 and 74,631,880.43 is: 102,990,243.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,839,463.29 : 175,035,482.27 = 74,631,880.43 : x
  2. Step 2: Convert to fraction form
    126,839,463.29/175,035,482.27 = 74,631,880.43/x
  3. Step 3: Cross multiply
    126,839,463.29x = 175,035,482.27 × 74,631,880.43
  4. Step 4: Simplify right side
    126,839,463.29x = 13,063,227,183,093,428
  5. Step 5: Solve for x
    x = 13,063,227,183,093,428/126,839,463.29
  6. Step 6: Final answer
    x = 102,990,243.29

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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.