Home / 81,094,018.32-121,624,639.56-29,277,048.24

Finding the Fourth Proportional to 81,094,018.32, 121,624,639.56 and 29,277,048.24

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Solution

The fourth proportional to 81,094,018.32, 121,624,639.56 and 29,277,048.24 is: 43,909,655.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,094,018.32 : 121,624,639.56 = 29,277,048.24 : x
  2. Step 2: Convert to fraction form
    81,094,018.32/121,624,639.56 = 29,277,048.24/x
  3. Step 3: Cross multiply
    81,094,018.32x = 121,624,639.56 × 29,277,048.24
  4. Step 4: Simplify right side
    81,094,018.32x = 3,560,810,439,570,732
  5. Step 5: Solve for x
    x = 3,560,810,439,570,732/81,094,018.32
  6. Step 6: Final answer
    x = 43,909,655.89

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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.