Home / 149,490,329.22-206,315,286.08-86,752,956.45

Finding the Fourth Proportional to 149,490,329.22, 206,315,286.08 and 86,752,956.45

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Solution

The fourth proportional to 149,490,329.22, 206,315,286.08 and 86,752,956.45 is: 119,729,892.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,490,329.22 : 206,315,286.08 = 86,752,956.45 : x
  2. Step 2: Convert to fraction form
    149,490,329.22/206,315,286.08 = 86,752,956.45/x
  3. Step 3: Cross multiply
    149,490,329.22x = 206,315,286.08 × 86,752,956.45
  4. Step 4: Simplify right side
    149,490,329.22x = 17,898,461,028,267,532
  5. Step 5: Solve for x
    x = 17,898,461,028,267,532/149,490,329.22
  6. Step 6: Final answer
    x = 119,729,892.38

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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.