Home / 155,696,845.64-214,857,864.60-86,080,436.60

Finding the Fourth Proportional to 155,696,845.64, 214,857,864.60 and 86,080,436.60

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Solution

The fourth proportional to 155,696,845.64, 214,857,864.60 and 86,080,436.60 is: 118,788,911.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,696,845.64 : 214,857,864.60 = 86,080,436.60 : x
  2. Step 2: Convert to fraction form
    155,696,845.64/214,857,864.60 = 86,080,436.60/x
  3. Step 3: Cross multiply
    155,696,845.64x = 214,857,864.60 × 86,080,436.60
  4. Step 4: Simplify right side
    155,696,845.64x = 18,495,058,791,711,684
  5. Step 5: Solve for x
    x = 18,495,058,791,711,684/155,696,845.64
  6. Step 6: Final answer
    x = 118,788,911.33

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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.