Home / 112,371,401.40-168,273,666.90-89,696,585.40

Finding the Fourth Proportional to 112,371,401.40, 168,273,666.90 and 89,696,585.40

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Solution

The fourth proportional to 112,371,401.40, 168,273,666.90 and 89,696,585.40 is: 134,318,635.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,371,401.40 : 168,273,666.90 = 89,696,585.40 : x
  2. Step 2: Convert to fraction form
    112,371,401.40/168,273,666.90 = 89,696,585.40/x
  3. Step 3: Cross multiply
    112,371,401.40x = 168,273,666.90 × 89,696,585.40
  4. Step 4: Simplify right side
    112,371,401.40x = 15,093,573,333,667,004
  5. Step 5: Solve for x
    x = 15,093,573,333,667,004/112,371,401.40
  6. Step 6: Final answer
    x = 134,318,635.75

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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.