Home / 86,160,886.92-118,902,024.09-47,002,821.66

Finding the Fourth Proportional to 86,160,886.92, 118,902,024.09 and 47,002,821.66

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Solution

The fourth proportional to 86,160,886.92, 118,902,024.09 and 47,002,821.66 is: 64,863,893.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,160,886.92 : 118,902,024.09 = 47,002,821.66 : x
  2. Step 2: Convert to fraction form
    86,160,886.92/118,902,024.09 = 47,002,821.66/x
  3. Step 3: Cross multiply
    86,160,886.92x = 118,902,024.09 × 47,002,821.66
  4. Step 4: Simplify right side
    86,160,886.92x = 5,588,730,633,315,294
  5. Step 5: Solve for x
    x = 5,588,730,633,315,294/86,160,886.92
  6. Step 6: Final answer
    x = 64,863,893.97

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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.