Home / 77,970,439.84-107,600,475.36-42,687,652

Finding the Fourth Proportional to 77,970,439.84, 107,600,475.36 and 42,687,652

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Solution

The fourth proportional to 77,970,439.84, 107,600,475.36 and 42,687,652 is: 58,909,654.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,970,439.84 : 107,600,475.36 = 42,687,652 : x
  2. Step 2: Convert to fraction form
    77,970,439.84/107,600,475.36 = 42,687,652/x
  3. Step 3: Cross multiply
    77,970,439.84x = 107,600,475.36 × 42,687,652
  4. Step 4: Simplify right side
    77,970,439.84x = 4,593,211,647,202,255
  5. Step 5: Solve for x
    x = 4,593,211,647,202,255/77,970,439.84
  6. Step 6: Final answer
    x = 58,909,654.18

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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.