Home / 82,046,138.08-113,258,533.08-51,121,586.29

Finding the Fourth Proportional to 82,046,138.08, 113,258,533.08 and 51,121,586.29

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Solution

The fourth proportional to 82,046,138.08, 113,258,533.08 and 51,121,586.29 is: 70,569,511.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,046,138.08 : 113,258,533.08 = 51,121,586.29 : x
  2. Step 2: Convert to fraction form
    82,046,138.08/113,258,533.08 = 51,121,586.29/x
  3. Step 3: Cross multiply
    82,046,138.08x = 113,258,533.08 × 51,121,586.29
  4. Step 4: Simplify right side
    82,046,138.08x = 5,789,955,871,928,039
  5. Step 5: Solve for x
    x = 5,789,955,871,928,039/82,046,138.08
  6. Step 6: Final answer
    x = 70,569,511.34

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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.