Home / 213,122,731.74-294,109,371.78-115,337,587.74

Finding the Fourth Proportional to 213,122,731.74, 294,109,371.78 and 115,337,587.74

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Solution

The fourth proportional to 213,122,731.74, 294,109,371.78 and 115,337,587.74 is: 159,165,872.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,122,731.74 : 294,109,371.78 = 115,337,587.74 : x
  2. Step 2: Convert to fraction form
    213,122,731.74/294,109,371.78 = 115,337,587.74/x
  3. Step 3: Cross multiply
    213,122,731.74x = 294,109,371.78 × 115,337,587.74
  4. Step 4: Simplify right side
    213,122,731.74x = 33,921,865,472,832,024
  5. Step 5: Solve for x
    x = 33,921,865,472,832,024/213,122,731.74
  6. Step 6: Final answer
    x = 159,165,872.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.