Home / 82,259,877.35-113,452,439.58-72,315,497.52

Finding the Fourth Proportional to 82,259,877.35, 113,452,439.58 and 72,315,497.52

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Solution

The fourth proportional to 82,259,877.35, 113,452,439.58 and 72,315,497.52 is: 99,737,197.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,259,877.35 : 113,452,439.58 = 72,315,497.52 : x
  2. Step 2: Convert to fraction form
    82,259,877.35/113,452,439.58 = 72,315,497.52/x
  3. Step 3: Cross multiply
    82,259,877.35x = 113,452,439.58 × 72,315,497.52
  4. Step 4: Simplify right side
    82,259,877.35x = 8,204,369,613,085,439
  5. Step 5: Solve for x
    x = 8,204,369,613,085,439/82,259,877.35
  6. Step 6: Final answer
    x = 99,737,197.26

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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.