Home / 158,739,745.90-219,053,445.42-88,179,929.50

Finding the Fourth Proportional to 158,739,745.90, 219,053,445.42 and 88,179,929.50

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Solution

The fourth proportional to 158,739,745.90, 219,053,445.42 and 88,179,929.50 is: 121,684,189.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,739,745.90 : 219,053,445.42 = 88,179,929.50 : x
  2. Step 2: Convert to fraction form
    158,739,745.90/219,053,445.42 = 88,179,929.50/x
  3. Step 3: Cross multiply
    158,739,745.90x = 219,053,445.42 × 88,179,929.50
  4. Step 4: Simplify right side
    158,739,745.90x = 19,316,117,373,867,696
  5. Step 5: Solve for x
    x = 19,316,117,373,867,696/158,739,745.90
  6. Step 6: Final answer
    x = 121,684,189.83

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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.