Home / 139,462,660.87-209,129,347.19-52,000,694.17

Finding the Fourth Proportional to 139,462,660.87, 209,129,347.19 and 52,000,694.17

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Solution

The fourth proportional to 139,462,660.87, 209,129,347.19 and 52,000,694.17 is: 77,976,937.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,462,660.87 : 209,129,347.19 = 52,000,694.17 : x
  2. Step 2: Convert to fraction form
    139,462,660.87/209,129,347.19 = 52,000,694.17/x
  3. Step 3: Cross multiply
    139,462,660.87x = 209,129,347.19 × 52,000,694.17
  4. Step 4: Simplify right side
    139,462,660.87x = 10,874,871,224,806,116
  5. Step 5: Solve for x
    x = 10,874,871,224,806,116/139,462,660.87
  6. Step 6: Final answer
    x = 77,976,937.75

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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.