Home / 56,648,961.12-84,650,955.07-42,535,182.54

Finding the Fourth Proportional to 56,648,961.12, 84,650,955.07 and 42,535,182.54

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Solution

The fourth proportional to 56,648,961.12, 84,650,955.07 and 42,535,182.54 is: 63,560,632.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,648,961.12 : 84,650,955.07 = 42,535,182.54 : x
  2. Step 2: Convert to fraction form
    56,648,961.12/84,650,955.07 = 42,535,182.54/x
  3. Step 3: Cross multiply
    56,648,961.12x = 84,650,955.07 × 42,535,182.54
  4. Step 4: Simplify right side
    56,648,961.12x = 3,600,643,825,981,450
  5. Step 5: Solve for x
    x = 3,600,643,825,981,450/56,648,961.12
  6. Step 6: Final answer
    x = 63,560,632.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.