Home / 110,307,043.35-165,101,842.35-85,913,901.45

Finding the Fourth Proportional to 110,307,043.35, 165,101,842.35 and 85,913,901.45

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Solution

The fourth proportional to 110,307,043.35, 165,101,842.35 and 85,913,901.45 is: 128,591,456.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,307,043.35 : 165,101,842.35 = 85,913,901.45 : x
  2. Step 2: Convert to fraction form
    110,307,043.35/165,101,842.35 = 85,913,901.45/x
  3. Step 3: Cross multiply
    110,307,043.35x = 165,101,842.35 × 85,913,901.45
  4. Step 4: Simplify right side
    110,307,043.35x = 14,184,543,412,871,336
  5. Step 5: Solve for x
    x = 14,184,543,412,871,336/110,307,043.35
  6. Step 6: Final answer
    x = 128,591,456.92

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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.