Home / 107,628,305.40-161,395,218.90-42,910,601.40

Finding the Fourth Proportional to 107,628,305.40, 161,395,218.90 and 42,910,601.40

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Solution

The fourth proportional to 107,628,305.40, 161,395,218.90 and 42,910,601.40 is: 64,347,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,628,305.40 : 161,395,218.90 = 42,910,601.40 : x
  2. Step 2: Convert to fraction form
    107,628,305.40/161,395,218.90 = 42,910,601.40/x
  3. Step 3: Cross multiply
    107,628,305.40x = 161,395,218.90 × 42,910,601.40
  4. Step 4: Simplify right side
    107,628,305.40x = 6,925,565,906,083,646
  5. Step 5: Solve for x
    x = 6,925,565,906,083,646/107,628,305.40
  6. Step 6: Final answer
    x = 64,347,068.18

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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.