Home / 82,046,208.80-113,258,630.64-51,121,657.28

Finding the Fourth Proportional to 82,046,208.80, 113,258,630.64 and 51,121,657.28

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Solution

The fourth proportional to 82,046,208.80, 113,258,630.64 and 51,121,657.28 is: 70,569,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,046,208.80 : 113,258,630.64 = 51,121,657.28 : x
  2. Step 2: Convert to fraction form
    82,046,208.80/113,258,630.64 = 51,121,657.28/x
  3. Step 3: Cross multiply
    82,046,208.80x = 113,258,630.64 × 51,121,657.28
  4. Step 4: Simplify right side
    82,046,208.80x = 5,789,968,899,580,187
  5. Step 5: Solve for x
    x = 5,789,968,899,580,187/82,046,208.80
  6. Step 6: Final answer
    x = 70,569,609.30

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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.