Home / 268,561,258.56-402,841,888.80-86,808,436.32

Finding the Fourth Proportional to 268,561,258.56, 402,841,888.80 and 86,808,436.32

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Solution

The fourth proportional to 268,561,258.56, 402,841,888.80 and 86,808,436.32 is: 130,212,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,561,258.56 : 402,841,888.80 = 86,808,436.32 : x
  2. Step 2: Convert to fraction form
    268,561,258.56/402,841,888.80 = 86,808,436.32/x
  3. Step 3: Cross multiply
    268,561,258.56x = 402,841,888.80 × 86,808,436.32
  4. Step 4: Simplify right side
    268,561,258.56x = 34,970,074,450,923,320
  5. Step 5: Solve for x
    x = 34,970,074,450,923,320/268,561,258.56
  6. Step 6: Final answer
    x = 130,212,654.79

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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.