Home / 105,918,520.60-158,877,547.32-28,195,442.04

Finding the Fourth Proportional to 105,918,520.60, 158,877,547.32 and 28,195,442.04

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Solution

The fourth proportional to 105,918,520.60, 158,877,547.32 and 28,195,442.04 is: 42,293,100.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,918,520.60 : 158,877,547.32 = 28,195,442.04 : x
  2. Step 2: Convert to fraction form
    105,918,520.60/158,877,547.32 = 28,195,442.04/x
  3. Step 3: Cross multiply
    105,918,520.60x = 158,877,547.32 × 28,195,442.04
  4. Step 4: Simplify right side
    105,918,520.60x = 4,479,622,676,918,417
  5. Step 5: Solve for x
    x = 4,479,622,676,918,417/105,918,520.60
  6. Step 6: Final answer
    x = 42,293,100.88

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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.