Home / 112,371,399.40-168,273,663.90-89,696,583.40

Finding the Fourth Proportional to 112,371,399.40, 168,273,663.90 and 89,696,583.40

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Solution

The fourth proportional to 112,371,399.40, 168,273,663.90 and 89,696,583.40 is: 134,318,632.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,371,399.40 : 168,273,663.90 = 89,696,583.40 : x
  2. Step 2: Convert to fraction form
    112,371,399.40/168,273,663.90 = 89,696,583.40/x
  3. Step 3: Cross multiply
    112,371,399.40x = 168,273,663.90 × 89,696,583.40
  4. Step 4: Simplify right side
    112,371,399.40x = 15,093,572,728,029,920
  5. Step 5: Solve for x
    x = 15,093,572,728,029,920/112,371,399.40
  6. Step 6: Final answer
    x = 134,318,632.75

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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.