Home / 159,649,283.51-220,264,422.84-89,073,451.24

Finding the Fourth Proportional to 159,649,283.51, 220,264,422.84 and 89,073,451.24

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Solution

The fourth proportional to 159,649,283.51, 220,264,422.84 and 89,073,451.24 is: 122,892,579.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,649,283.51 : 220,264,422.84 = 89,073,451.24 : x
  2. Step 2: Convert to fraction form
    159,649,283.51/220,264,422.84 = 89,073,451.24/x
  3. Step 3: Cross multiply
    159,649,283.51x = 220,264,422.84 × 89,073,451.24
  4. Step 4: Simplify right side
    159,649,283.51x = 19,619,712,326,943,632
  5. Step 5: Solve for x
    x = 19,619,712,326,943,632/159,649,283.51
  6. Step 6: Final answer
    x = 122,892,579.88

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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.