Home / 158,616,040.56-218,891,899.74-88,056,422.16

Finding the Fourth Proportional to 158,616,040.56, 218,891,899.74 and 88,056,422.16

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Solution

The fourth proportional to 158,616,040.56, 218,891,899.74 and 88,056,422.16 is: 121,518,841.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,616,040.56 : 218,891,899.74 = 88,056,422.16 : x
  2. Step 2: Convert to fraction form
    158,616,040.56/218,891,899.74 = 88,056,422.16/x
  3. Step 3: Cross multiply
    158,616,040.56x = 218,891,899.74 × 88,056,422.16
  4. Step 4: Simplify right side
    158,616,040.56x = 19,274,837,530,909,836
  5. Step 5: Solve for x
    x = 19,274,837,530,909,836/158,616,040.56
  6. Step 6: Final answer
    x = 121,518,841.74

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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.