Home / 120,554,546.24-180,814,793.16-38,662,783.04

Finding the Fourth Proportional to 120,554,546.24, 180,814,793.16 and 38,662,783.04

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Solution

The fourth proportional to 120,554,546.24, 180,814,793.16 and 38,662,783.04 is: 57,988,714.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,554,546.24 : 180,814,793.16 = 38,662,783.04 : x
  2. Step 2: Convert to fraction form
    120,554,546.24/180,814,793.16 = 38,662,783.04/x
  3. Step 3: Cross multiply
    120,554,546.24x = 180,814,793.16 × 38,662,783.04
  4. Step 4: Simplify right side
    120,554,546.24x = 6,990,803,118,367,556
  5. Step 5: Solve for x
    x = 6,990,803,118,367,556/120,554,546.24
  6. Step 6: Final answer
    x = 57,988,714.12

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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.