Home / 89,687,041.92-123,768,117.36-48,433,932

Finding the Fourth Proportional to 89,687,041.92, 123,768,117.36 and 48,433,932

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Solution

The fourth proportional to 89,687,041.92, 123,768,117.36 and 48,433,932 is: 66,838,825.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,687,041.92 : 123,768,117.36 = 48,433,932 : x
  2. Step 2: Convert to fraction form
    89,687,041.92/123,768,117.36 = 48,433,932/x
  3. Step 3: Cross multiply
    89,687,041.92x = 123,768,117.36 × 48,433,932
  4. Step 4: Simplify right side
    89,687,041.92x = 5,994,576,579,982,259
  5. Step 5: Solve for x
    x = 5,994,576,579,982,259/89,687,041.92
  6. Step 6: Final answer
    x = 66,838,825.90

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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.