Home / 112,156,723.70-168,235,085.55-61,138,387.70

Finding the Fourth Proportional to 112,156,723.70, 168,235,085.55 and 61,138,387.70

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Solution

The fourth proportional to 112,156,723.70, 168,235,085.55 and 61,138,387.70 is: 91,707,581.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,156,723.70 : 168,235,085.55 = 61,138,387.70 : x
  2. Step 2: Convert to fraction form
    112,156,723.70/168,235,085.55 = 61,138,387.70/x
  3. Step 3: Cross multiply
    112,156,723.70x = 168,235,085.55 × 61,138,387.70
  4. Step 4: Simplify right side
    112,156,723.70x = 10,285,621,885,098,568
  5. Step 5: Solve for x
    x = 10,285,621,885,098,568/112,156,723.70
  6. Step 6: Final answer
    x = 91,707,581.55

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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.