Home / 112,383,398.72-168,571,248.89-47,645,516.00

Finding the Fourth Proportional to 112,383,398.72, 168,571,248.89 and 47,645,516.00

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Solution

The fourth proportional to 112,383,398.72, 168,571,248.89 and 47,645,516.00 is: 71,466,642.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,383,398.72 : 168,571,248.89 = 47,645,516.00 : x
  2. Step 2: Convert to fraction form
    112,383,398.72/168,571,248.89 = 47,645,516.00/x
  3. Step 3: Cross multiply
    112,383,398.72x = 168,571,248.89 × 47,645,516.00
  4. Step 4: Simplify right side
    112,383,398.72x = 8,031,664,135,047,393
  5. Step 5: Solve for x
    x = 8,031,664,135,047,393/112,383,398.72
  6. Step 6: Final answer
    x = 71,466,642.11

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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.