Home / 326,993,686.60-490,406,911.98-96,909,104.20

Finding the Fourth Proportional to 326,993,686.60, 490,406,911.98 and 96,909,104.20

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Solution

The fourth proportional to 326,993,686.60, 490,406,911.98 and 96,909,104.20 is: 145,338,874.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,993,686.60 : 490,406,911.98 = 96,909,104.20 : x
  2. Step 2: Convert to fraction form
    326,993,686.60/490,406,911.98 = 96,909,104.20/x
  3. Step 3: Cross multiply
    326,993,686.60x = 490,406,911.98 × 96,909,104.20
  4. Step 4: Simplify right side
    326,993,686.60x = 47,524,894,533,470,048
  5. Step 5: Solve for x
    x = 47,524,894,533,470,048/326,993,686.60
  6. Step 6: Final answer
    x = 145,338,874.97

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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.