Home / 112,371,391.90-168,273,652.65-89,696,575.90

Finding the Fourth Proportional to 112,371,391.90, 168,273,652.65 and 89,696,575.90

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Solution

The fourth proportional to 112,371,391.90, 168,273,652.65 and 89,696,575.90 is: 134,318,621.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,371,391.90 : 168,273,652.65 = 89,696,575.90 : x
  2. Step 2: Convert to fraction form
    112,371,391.90/168,273,652.65 = 89,696,575.90/x
  3. Step 3: Cross multiply
    112,371,391.90x = 168,273,652.65 × 89,696,575.90
  4. Step 4: Simplify right side
    112,371,391.90x = 15,093,570,456,890,962
  5. Step 5: Solve for x
    x = 15,093,570,456,890,962/112,371,391.90
  6. Step 6: Final answer
    x = 134,318,621.51

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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.