Home / 158,681,272.81-218,975,912.22-88,115,042.23

Finding the Fourth Proportional to 158,681,272.81, 218,975,912.22 and 88,115,042.23

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Solution

The fourth proportional to 158,681,272.81, 218,975,912.22 and 88,115,042.23 is: 121,596,401.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,681,272.81 : 218,975,912.22 = 88,115,042.23 : x
  2. Step 2: Convert to fraction form
    158,681,272.81/218,975,912.22 = 88,115,042.23/x
  3. Step 3: Cross multiply
    158,681,272.81x = 218,975,912.22 × 88,115,042.23
  4. Step 4: Simplify right side
    158,681,272.81x = 19,295,071,752,401,064
  5. Step 5: Solve for x
    x = 19,295,071,752,401,064/158,681,272.81
  6. Step 6: Final answer
    x = 121,596,401.46

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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.