Home / 107,781,655.12-161,670,148.36-30,056,485.12

Finding the Fourth Proportional to 107,781,655.12, 161,670,148.36 and 30,056,485.12

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Solution

The fourth proportional to 107,781,655.12, 161,670,148.36 and 30,056,485.12 is: 45,084,076.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,781,655.12 : 161,670,148.36 = 30,056,485.12 : x
  2. Step 2: Convert to fraction form
    107,781,655.12/161,670,148.36 = 30,056,485.12/x
  3. Step 3: Cross multiply
    107,781,655.12x = 161,670,148.36 × 30,056,485.12
  4. Step 4: Simplify right side
    107,781,655.12x = 4,859,236,408,051,215
  5. Step 5: Solve for x
    x = 4,859,236,408,051,215/107,781,655.12
  6. Step 6: Final answer
    x = 45,084,076.72

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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.