Home / 80,871,937.33-121,307,898.28-19,461,103.42

Finding the Fourth Proportional to 80,871,937.33, 121,307,898.28 and 19,461,103.42

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Solution

The fourth proportional to 80,871,937.33, 121,307,898.28 and 19,461,103.42 is: 29,191,653.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,871,937.33 : 121,307,898.28 = 19,461,103.42 : x
  2. Step 2: Convert to fraction form
    80,871,937.33/121,307,898.28 = 19,461,103.42/x
  3. Step 3: Cross multiply
    80,871,937.33x = 121,307,898.28 × 19,461,103.42
  4. Step 4: Simplify right side
    80,871,937.33x = 2,360,785,554,056,722
  5. Step 5: Solve for x
    x = 2,360,785,554,056,722/80,871,937.33
  6. Step 6: Final answer
    x = 29,191,653.27

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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.