Home / 86,963,551.20-130,461,073.20-43,723,936.80

Finding the Fourth Proportional to 86,963,551.20, 130,461,073.20 and 43,723,936.80

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Solution

The fourth proportional to 86,963,551.20, 130,461,073.20 and 43,723,936.80 is: 65,593,822.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,963,551.20 : 130,461,073.20 = 43,723,936.80 : x
  2. Step 2: Convert to fraction form
    86,963,551.20/130,461,073.20 = 43,723,936.80/x
  3. Step 3: Cross multiply
    86,963,551.20x = 130,461,073.20 × 43,723,936.80
  4. Step 4: Simplify right side
    86,963,551.20x = 5,704,271,719,456,974
  5. Step 5: Solve for x
    x = 5,704,271,719,456,974/86,963,551.20
  6. Step 6: Final answer
    x = 65,593,822.25

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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.