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Finding the Fourth Proportional to 70,451,978.40, 105,677,967.60 and 44,942,810.40

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Solution

The fourth proportional to 70,451,978.40, 105,677,967.60 and 44,942,810.40 is: 67,414,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,451,978.40 : 105,677,967.60 = 44,942,810.40 : x
  2. Step 2: Convert to fraction form
    70,451,978.40/105,677,967.60 = 44,942,810.40/x
  3. Step 3: Cross multiply
    70,451,978.40x = 105,677,967.60 × 44,942,810.40
  4. Step 4: Simplify right side
    70,451,978.40x = 4,749,464,861,304,143
  5. Step 5: Solve for x
    x = 4,749,464,861,304,143/70,451,978.40
  6. Step 6: Final answer
    x = 67,414,215.60

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Why These Related Problems?

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