Home / 45,455,834.34-68,193,826.70-13,105,212.28

Finding the Fourth Proportional to 45,455,834.34, 68,193,826.70 and 13,105,212.28

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Solution

The fourth proportional to 45,455,834.34, 68,193,826.70 and 13,105,212.28 is: 19,660,723.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,455,834.34 : 68,193,826.70 = 13,105,212.28 : x
  2. Step 2: Convert to fraction form
    45,455,834.34/68,193,826.70 = 13,105,212.28/x
  3. Step 3: Cross multiply
    45,455,834.34x = 68,193,826.70 × 13,105,212.28
  4. Step 4: Simplify right side
    45,455,834.34x = 893,694,574,853,021.12
  5. Step 5: Solve for x
    x = 893,694,574,853,021.12/45,455,834.34
  6. Step 6: Final answer
    x = 19,660,723.16

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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.