Home / 159,891,670.35-239,801,247.73-72,395,426.55

Finding the Fourth Proportional to 159,891,670.35, 239,801,247.73 and 72,395,426.55

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Solution

The fourth proportional to 159,891,670.35, 239,801,247.73 and 72,395,426.55 is: 108,576,723.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,891,670.35 : 239,801,247.73 = 72,395,426.55 : x
  2. Step 2: Convert to fraction form
    159,891,670.35/239,801,247.73 = 72,395,426.55/x
  3. Step 3: Cross multiply
    159,891,670.35x = 239,801,247.73 × 72,395,426.55
  4. Step 4: Simplify right side
    159,891,670.35x = 17,360,513,616,276,436
  5. Step 5: Solve for x
    x = 17,360,513,616,276,436/159,891,670.35
  6. Step 6: Final answer
    x = 108,576,723.09

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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.