Home / 107,913,977.13-161,872,343.57-31,237,079.16

Finding the Fourth Proportional to 107,913,977.13, 161,872,343.57 and 31,237,079.16

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Solution

The fourth proportional to 107,913,977.13, 161,872,343.57 and 31,237,079.16 is: 46,856,017.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,913,977.13 : 161,872,343.57 = 31,237,079.16 : x
  2. Step 2: Convert to fraction form
    107,913,977.13/161,872,343.57 = 31,237,079.16/x
  3. Step 3: Cross multiply
    107,913,977.13x = 161,872,343.57 × 31,237,079.16
  4. Step 4: Simplify right side
    107,913,977.13x = 5,056,419,209,910,807
  5. Step 5: Solve for x
    x = 5,056,419,209,910,807/107,913,977.13
  6. Step 6: Final answer
    x = 46,856,017.58

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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.