Home / 209,702,806,526.23-314,560,070,586.96-68,212,228,711.86

Finding the Fourth Proportional to 209,702,806,526.23, 314,560,070,586.96 and 68,212,228,711.86

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Solution

The fourth proportional to 209,702,806,526.23, 314,560,070,586.96 and 68,212,228,711.86 is: 102,320,249,470.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,702,806,526.23 : 314,560,070,586.96 = 68,212,228,711.86 : x
  2. Step 2: Convert to fraction form
    209,702,806,526.23/314,560,070,586.96 = 68,212,228,711.86/x
  3. Step 3: Cross multiply
    209,702,806,526.23x = 314,560,070,586.96 × 68,212,228,711.86
  4. Step 4: Simplify right side
    209,702,806,526.23x = 21,456,843,478,496,540,884,992
  5. Step 5: Solve for x
    x = 21,456,843,478,496,540,884,992/209,702,806,526.23
  6. Step 6: Final answer
    x = 102,320,249,470.83

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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.