Home / 69,871,776.53-96,419,116.77-38,509,730.47

Finding the Fourth Proportional to 69,871,776.53, 96,419,116.77 and 38,509,730.47

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Solution

The fourth proportional to 69,871,776.53, 96,419,116.77 and 38,509,730.47 is: 53,141,259.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,871,776.53 : 96,419,116.77 = 38,509,730.47 : x
  2. Step 2: Convert to fraction form
    69,871,776.53/96,419,116.77 = 38,509,730.47/x
  3. Step 3: Cross multiply
    69,871,776.53x = 96,419,116.77 × 38,509,730.47
  4. Step 4: Simplify right side
    69,871,776.53x = 3,713,074,198,944,269
  5. Step 5: Solve for x
    x = 3,713,074,198,944,269/69,871,776.53
  6. Step 6: Final answer
    x = 53,141,259.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.