Home / 112,156,688.70-168,235,033.05-61,138,352.70

Finding the Fourth Proportional to 112,156,688.70, 168,235,033.05 and 61,138,352.70

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Solution

The fourth proportional to 112,156,688.70, 168,235,033.05 and 61,138,352.70 is: 91,707,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,156,688.70 : 168,235,033.05 = 61,138,352.70 : x
  2. Step 2: Convert to fraction form
    112,156,688.70/168,235,033.05 = 61,138,352.70/x
  3. Step 3: Cross multiply
    112,156,688.70x = 168,235,033.05 × 61,138,352.70
  4. Step 4: Simplify right side
    112,156,688.70x = 10,285,612,787,107,058
  5. Step 5: Solve for x
    x = 10,285,612,787,107,058/112,156,688.70
  6. Step 6: Final answer
    x = 91,707,529.05

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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.