Home / 158,976,013.60-238,464,020.40-138,820,621.60

Finding the Fourth Proportional to 158,976,013.60, 238,464,020.40 and 138,820,621.60

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Solution

The fourth proportional to 158,976,013.60, 238,464,020.40 and 138,820,621.60 is: 208,230,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,976,013.60 : 238,464,020.40 = 138,820,621.60 : x
  2. Step 2: Convert to fraction form
    158,976,013.60/238,464,020.40 = 138,820,621.60/x
  3. Step 3: Cross multiply
    158,976,013.60x = 238,464,020.40 × 138,820,621.60
  4. Step 4: Simplify right side
    158,976,013.60x = 33,103,723,541,163,080
  5. Step 5: Solve for x
    x = 33,103,723,541,163,080/158,976,013.60
  6. Step 6: Final answer
    x = 208,230,932.40

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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.