Home / 65,612,848.35-90,543,976.47-36,243,548.81

Finding the Fourth Proportional to 65,612,848.35, 90,543,976.47 and 36,243,548.81

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Solution

The fourth proportional to 65,612,848.35, 90,543,976.47 and 36,243,548.81 is: 50,015,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,612,848.35 : 90,543,976.47 = 36,243,548.81 : x
  2. Step 2: Convert to fraction form
    65,612,848.35/90,543,976.47 = 36,243,548.81/x
  3. Step 3: Cross multiply
    65,612,848.35x = 90,543,976.47 × 36,243,548.81
  4. Step 4: Simplify right side
    65,612,848.35x = 3,281,635,030,189,216.50
  5. Step 5: Solve for x
    x = 3,281,635,030,189,216.50/65,612,848.35
  6. Step 6: Final answer
    x = 50,015,128.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.