Home / 247,301,759.71-372,730,216.75-213,170,110.93

Finding the Fourth Proportional to 247,301,759.71, 372,730,216.75 and 213,170,110.93

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Solution

The fourth proportional to 247,301,759.71, 372,730,216.75 and 213,170,110.93 is: 321,287,409.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,301,759.71 : 372,730,216.75 = 213,170,110.93 : x
  2. Step 2: Convert to fraction form
    247,301,759.71/372,730,216.75 = 213,170,110.93/x
  3. Step 3: Cross multiply
    247,301,759.71x = 372,730,216.75 × 213,170,110.93
  4. Step 4: Simplify right side
    247,301,759.71x = 79,454,941,651,560,448
  5. Step 5: Solve for x
    x = 79,454,941,651,560,448/247,301,759.71
  6. Step 6: Final answer
    x = 321,287,409.13

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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.