Home / 121,856,427.92-182,785,069.56-30,980,026.64

Finding the Fourth Proportional to 121,856,427.92, 182,785,069.56 and 30,980,026.64

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Solution

The fourth proportional to 121,856,427.92, 182,785,069.56 and 30,980,026.64 is: 46,470,148.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,856,427.92 : 182,785,069.56 = 30,980,026.64 : x
  2. Step 2: Convert to fraction form
    121,856,427.92/182,785,069.56 = 30,980,026.64/x
  3. Step 3: Cross multiply
    121,856,427.92x = 182,785,069.56 × 30,980,026.64
  4. Step 4: Simplify right side
    121,856,427.92x = 5,662,686,324,363,053
  5. Step 5: Solve for x
    x = 5,662,686,324,363,053/121,856,427.92
  6. Step 6: Final answer
    x = 46,470,148.69

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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.