Home / 247,301,758.71-372,730,215.24-213,170,109.93

Finding the Fourth Proportional to 247,301,758.71, 372,730,215.24 and 213,170,109.93

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Solution

The fourth proportional to 247,301,758.71, 372,730,215.24 and 213,170,109.93 is: 321,287,407.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,301,758.71 : 372,730,215.24 = 213,170,109.93 : x
  2. Step 2: Convert to fraction form
    247,301,758.71/372,730,215.24 = 213,170,109.93/x
  3. Step 3: Cross multiply
    247,301,758.71x = 372,730,215.24 × 213,170,109.93
  4. Step 4: Simplify right side
    247,301,758.71x = 79,454,940,956,943,360
  5. Step 5: Solve for x
    x = 79,454,940,956,943,360/247,301,758.71
  6. Step 6: Final answer
    x = 321,287,407.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.