Home / 139,401,708.30-209,102,562.45-124,335,355.95

Finding the Fourth Proportional to 139,401,708.30, 209,102,562.45 and 124,335,355.95

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Solution

The fourth proportional to 139,401,708.30, 209,102,562.45 and 124,335,355.95 is: 186,503,033.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,401,708.30 : 209,102,562.45 = 124,335,355.95 : x
  2. Step 2: Convert to fraction form
    139,401,708.30/209,102,562.45 = 124,335,355.95/x
  3. Step 3: Cross multiply
    139,401,708.30x = 209,102,562.45 × 124,335,355.95
  4. Step 4: Simplify right side
    139,401,708.30x = 25,998,841,532,277,852
  5. Step 5: Solve for x
    x = 25,998,841,532,277,852/139,401,708.30
  6. Step 6: Final answer
    x = 186,503,033.93

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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.