Home / 158,265,297.38-218,407,392.98-87,702,086.42

Finding the Fourth Proportional to 158,265,297.38, 218,407,392.98 and 87,702,086.42

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Solution

The fourth proportional to 158,265,297.38, 218,407,392.98 and 87,702,086.42 is: 121,029,590.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,265,297.38 : 218,407,392.98 = 87,702,086.42 : x
  2. Step 2: Convert to fraction form
    158,265,297.38/218,407,392.98 = 87,702,086.42/x
  3. Step 3: Cross multiply
    158,265,297.38x = 218,407,392.98 × 87,702,086.42
  4. Step 4: Simplify right side
    158,265,297.38x = 19,154,784,053,898,860
  5. Step 5: Solve for x
    x = 19,154,784,053,898,860/158,265,297.38
  6. Step 6: Final answer
    x = 121,029,590.00

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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.