Home / 107,770,138.10-161,655,207.15-53,208,862.10

Finding the Fourth Proportional to 107,770,138.10, 161,655,207.15 and 53,208,862.10

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Solution

The fourth proportional to 107,770,138.10, 161,655,207.15 and 53,208,862.10 is: 79,813,293.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,770,138.10 : 161,655,207.15 = 53,208,862.10 : x
  2. Step 2: Convert to fraction form
    107,770,138.10/161,655,207.15 = 53,208,862.10/x
  3. Step 3: Cross multiply
    107,770,138.10x = 161,655,207.15 × 53,208,862.10
  4. Step 4: Simplify right side
    107,770,138.10x = 8,601,489,624,991,285
  5. Step 5: Solve for x
    x = 8,601,489,624,991,285/107,770,138.10
  6. Step 6: Final answer
    x = 79,813,293.15

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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.