Home / 112,371,387.40-168,273,645.90-89,696,571.40

Finding the Fourth Proportional to 112,371,387.40, 168,273,645.90 and 89,696,571.40

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Solution

The fourth proportional to 112,371,387.40, 168,273,645.90 and 89,696,571.40 is: 134,318,614.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,371,387.40 : 168,273,645.90 = 89,696,571.40 : x
  2. Step 2: Convert to fraction form
    112,371,387.40/168,273,645.90 = 89,696,571.40/x
  3. Step 3: Cross multiply
    112,371,387.40x = 168,273,645.90 × 89,696,571.40
  4. Step 4: Simplify right side
    112,371,387.40x = 15,093,569,094,207,668
  5. Step 5: Solve for x
    x = 15,093,569,094,207,668/112,371,387.40
  6. Step 6: Final answer
    x = 134,318,614.76

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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.