Home / 209,218,114.62-288,600,770.80-130,765,514.94

Finding the Fourth Proportional to 209,218,114.62, 288,600,770.80 and 130,765,514.94

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Solution

The fourth proportional to 209,218,114.62, 288,600,770.80 and 130,765,514.94 is: 180,381,266.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,218,114.62 : 288,600,770.80 = 130,765,514.94 : x
  2. Step 2: Convert to fraction form
    209,218,114.62/288,600,770.80 = 130,765,514.94/x
  3. Step 3: Cross multiply
    209,218,114.62x = 288,600,770.80 × 130,765,514.94
  4. Step 4: Simplify right side
    209,218,114.62x = 37,739,028,405,742,920
  5. Step 5: Solve for x
    x = 37,739,028,405,742,920/209,218,114.62
  6. Step 6: Final answer
    x = 180,381,266.10

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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.