Home / 76,652,390.70-105,780,728.82-43,612,639.03

Finding the Fourth Proportional to 76,652,390.70, 105,780,728.82 and 43,612,639.03

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Solution

The fourth proportional to 76,652,390.70, 105,780,728.82 and 43,612,639.03 is: 60,185,686.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,652,390.70 : 105,780,728.82 = 43,612,639.03 : x
  2. Step 2: Convert to fraction form
    76,652,390.70/105,780,728.82 = 43,612,639.03/x
  3. Step 3: Cross multiply
    76,652,390.70x = 105,780,728.82 × 43,612,639.03
  4. Step 4: Simplify right side
    76,652,390.70x = 4,613,376,742,356,978
  5. Step 5: Solve for x
    x = 4,613,376,742,356,978/76,652,390.70
  6. Step 6: Final answer
    x = 60,185,686.32

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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.