Home / 112,203,471.10-168,305,206.65-69,156,750.10

Finding the Fourth Proportional to 112,203,471.10, 168,305,206.65 and 69,156,750.10

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Solution

The fourth proportional to 112,203,471.10, 168,305,206.65 and 69,156,750.10 is: 103,735,125.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,203,471.10 : 168,305,206.65 = 69,156,750.10 : x
  2. Step 2: Convert to fraction form
    112,203,471.10/168,305,206.65 = 69,156,750.10/x
  3. Step 3: Cross multiply
    112,203,471.10x = 168,305,206.65 × 69,156,750.10
  4. Step 4: Simplify right side
    112,203,471.10x = 11,639,441,116,822,908
  5. Step 5: Solve for x
    x = 11,639,441,116,822,908/112,203,471.10
  6. Step 6: Final answer
    x = 103,735,125.15

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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.