Home / 158,683,987.71-218,976,531.98-88,124,077.71

Finding the Fourth Proportional to 158,683,987.71, 218,976,531.98 and 88,124,077.71

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Solution

The fourth proportional to 158,683,987.71, 218,976,531.98 and 88,124,077.71 is: 121,607,133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,683,987.71 : 218,976,531.98 = 88,124,077.71 : x
  2. Step 2: Convert to fraction form
    158,683,987.71/218,976,531.98 = 88,124,077.71/x
  3. Step 3: Cross multiply
    158,683,987.71x = 218,976,531.98 × 88,124,077.71
  4. Step 4: Simplify right side
    158,683,987.71x = 19,297,104,920,431,196
  5. Step 5: Solve for x
    x = 19,297,104,920,431,196/158,683,987.71
  6. Step 6: Final answer
    x = 121,607,133.77

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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.