Home / 158,414,590.40-218,634,548.56-87,865,797.92

Finding the Fourth Proportional to 158,414,590.40, 218,634,548.56 and 87,865,797.92

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Solution

The fourth proportional to 158,414,590.40, 218,634,548.56 and 87,865,797.92 is: 121,267,233.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,414,590.40 : 218,634,548.56 = 87,865,797.92 : x
  2. Step 2: Convert to fraction form
    158,414,590.40/218,634,548.56 = 87,865,797.92/x
  3. Step 3: Cross multiply
    158,414,590.40x = 218,634,548.56 × 87,865,797.92
  4. Step 4: Simplify right side
    158,414,590.40x = 19,210,499,062,103,388
  5. Step 5: Solve for x
    x = 19,210,499,062,103,388/158,414,590.40
  6. Step 6: Final answer
    x = 121,267,233.11

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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.