Home / 65,150,772.90-89,885,565.45-41,643,059.82

Finding the Fourth Proportional to 65,150,772.90, 89,885,565.45 and 41,643,059.82

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Solution

The fourth proportional to 65,150,772.90, 89,885,565.45 and 41,643,059.82 is: 57,453,040.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,150,772.90 : 89,885,565.45 = 41,643,059.82 : x
  2. Step 2: Convert to fraction form
    65,150,772.90/89,885,565.45 = 41,643,059.82/x
  3. Step 3: Cross multiply
    65,150,772.90x = 89,885,565.45 × 41,643,059.82
  4. Step 4: Simplify right side
    65,150,772.90x = 3,743,109,978,988,875.50
  5. Step 5: Solve for x
    x = 3,743,109,978,988,875.50/65,150,772.90
  6. Step 6: Final answer
    x = 57,453,040.27

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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.