Home / 155,696,845.83-214,857,864.86-86,080,436.79

Finding the Fourth Proportional to 155,696,845.83, 214,857,864.86 and 86,080,436.79

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Solution

The fourth proportional to 155,696,845.83, 214,857,864.86 and 86,080,436.79 is: 118,788,911.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,696,845.83 : 214,857,864.86 = 86,080,436.79 : x
  2. Step 2: Convert to fraction form
    155,696,845.83/214,857,864.86 = 86,080,436.79/x
  3. Step 3: Cross multiply
    155,696,845.83x = 214,857,864.86 × 86,080,436.79
  4. Step 4: Simplify right side
    155,696,845.83x = 18,495,058,854,915,596
  5. Step 5: Solve for x
    x = 18,495,058,854,915,596/155,696,845.83
  6. Step 6: Final answer
    x = 118,788,911.59

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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.