Home / 105,918,521.60-158,877,548.82-28,195,443.04

Finding the Fourth Proportional to 105,918,521.60, 158,877,548.82 and 28,195,443.04

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Solution

The fourth proportional to 105,918,521.60, 158,877,548.82 and 28,195,443.04 is: 42,293,102.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,918,521.60 : 158,877,548.82 = 28,195,443.04 : x
  2. Step 2: Convert to fraction form
    105,918,521.60/158,877,548.82 = 28,195,443.04/x
  3. Step 3: Cross multiply
    105,918,521.60x = 158,877,548.82 × 28,195,443.04
  4. Step 4: Simplify right side
    105,918,521.60x = 4,479,622,878,089,129
  5. Step 5: Solve for x
    x = 4,479,622,878,089,129/105,918,521.60
  6. Step 6: Final answer
    x = 42,293,102.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.