Home / 139,401,707.55-209,102,561.33-124,335,355.20

Finding the Fourth Proportional to 139,401,707.55, 209,102,561.33 and 124,335,355.20

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Solution

The fourth proportional to 139,401,707.55, 209,102,561.33 and 124,335,355.20 is: 186,503,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,401,707.55 : 209,102,561.33 = 124,335,355.20 : x
  2. Step 2: Convert to fraction form
    139,401,707.55/209,102,561.33 = 124,335,355.20/x
  3. Step 3: Cross multiply
    139,401,707.55x = 209,102,561.33 × 124,335,355.20
  4. Step 4: Simplify right side
    139,401,707.55x = 25,998,841,235,573,656
  5. Step 5: Solve for x
    x = 25,998,841,235,573,656/139,401,707.55
  6. Step 6: Final answer
    x = 186,503,032.80

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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.