Home / 105,514,309.60-158,271,464.40-87,374,456.80

Finding the Fourth Proportional to 105,514,309.60, 158,271,464.40 and 87,374,456.80

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Solution

The fourth proportional to 105,514,309.60, 158,271,464.40 and 87,374,456.80 is: 131,061,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,514,309.60 : 158,271,464.40 = 87,374,456.80 : x
  2. Step 2: Convert to fraction form
    105,514,309.60/158,271,464.40 = 87,374,456.80/x
  3. Step 3: Cross multiply
    105,514,309.60x = 158,271,464.40 × 87,374,456.80
  4. Step 4: Simplify right side
    105,514,309.60x = 13,828,883,228,890,538
  5. Step 5: Solve for x
    x = 13,828,883,228,890,538/105,514,309.60
  6. Step 6: Final answer
    x = 131,061,685.20

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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.