Home / 106,412,847.40-159,542,663.52-65,387,522.40

Finding the Fourth Proportional to 106,412,847.40, 159,542,663.52 and 65,387,522.40

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Solution

The fourth proportional to 106,412,847.40, 159,542,663.52 and 65,387,522.40 is: 98,034,210.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,412,847.40 : 159,542,663.52 = 65,387,522.40 : x
  2. Step 2: Convert to fraction form
    106,412,847.40/159,542,663.52 = 65,387,522.40/x
  3. Step 3: Cross multiply
    106,412,847.40x = 159,542,663.52 × 65,387,522.40
  4. Step 4: Simplify right side
    106,412,847.40x = 10,432,099,484,669,664
  5. Step 5: Solve for x
    x = 10,432,099,484,669,664/106,412,847.40
  6. Step 6: Final answer
    x = 98,034,210.53

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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.