Home / 85,212,003.70-127,818,005.55-48,932,298.10

Finding the Fourth Proportional to 85,212,003.70, 127,818,005.55 and 48,932,298.10

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Solution

The fourth proportional to 85,212,003.70, 127,818,005.55 and 48,932,298.10 is: 73,398,447.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,212,003.70 : 127,818,005.55 = 48,932,298.10 : x
  2. Step 2: Convert to fraction form
    85,212,003.70/127,818,005.55 = 48,932,298.10/x
  3. Step 3: Cross multiply
    85,212,003.70x = 127,818,005.55 × 48,932,298.10
  4. Step 4: Simplify right side
    85,212,003.70x = 6,254,428,750,120,054
  5. Step 5: Solve for x
    x = 6,254,428,750,120,054/85,212,003.70
  6. Step 6: Final answer
    x = 73,398,447.15

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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.