Home / 146,286,511.51-219,396,189.15-87,215,606.48

Finding the Fourth Proportional to 146,286,511.51, 219,396,189.15 and 87,215,606.48

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Solution

The fourth proportional to 146,286,511.51, 219,396,189.15 and 87,215,606.48 is: 130,803,390.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,286,511.51 : 219,396,189.15 = 87,215,606.48 : x
  2. Step 2: Convert to fraction form
    146,286,511.51/219,396,189.15 = 87,215,606.48/x
  3. Step 3: Cross multiply
    146,286,511.51x = 219,396,189.15 × 87,215,606.48
  4. Step 4: Simplify right side
    146,286,511.51x = 19,134,771,694,584,988
  5. Step 5: Solve for x
    x = 19,134,771,694,584,988/146,286,511.51
  6. Step 6: Final answer
    x = 130,803,390.53

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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.