Home / 120,217,402,452.49-180,326,000,069.61-30,680,388,649.15

Finding the Fourth Proportional to 120,217,402,452.49, 180,326,000,069.61 and 30,680,388,649.15

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Solution

The fourth proportional to 120,217,402,452.49, 180,326,000,069.61 and 30,680,388,649.15 is: 46,020,556,531.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,217,402,452.49 : 180,326,000,069.61 = 30,680,388,649.15 : x
  2. Step 2: Convert to fraction form
    120,217,402,452.49/180,326,000,069.61 = 30,680,388,649.15/x
  3. Step 3: Cross multiply
    120,217,402,452.49x = 180,326,000,069.61 × 30,680,388,649.15
  4. Step 4: Simplify right side
    120,217,402,452.49x = 5,532,471,765,682,284,920,832
  5. Step 5: Solve for x
    x = 5,532,471,765,682,284,920,832/120,217,402,452.49
  6. Step 6: Final answer
    x = 46,020,556,531.89

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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.