Home / 217,130,726.80-325,743,329.40-71,539,512.40

Finding the Fourth Proportional to 217,130,726.80, 325,743,329.40 and 71,539,512.40

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Solution

The fourth proportional to 217,130,726.80, 325,743,329.40 and 71,539,512.40 is: 107,324,832.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,130,726.80 : 325,743,329.40 = 71,539,512.40 : x
  2. Step 2: Convert to fraction form
    217,130,726.80/325,743,329.40 = 71,539,512.40/x
  3. Step 3: Cross multiply
    217,130,726.80x = 325,743,329.40 × 71,539,512.40
  4. Step 4: Simplify right side
    217,130,726.80x = 23,303,518,952,828,584
  5. Step 5: Solve for x
    x = 23,303,518,952,828,584/217,130,726.80
  6. Step 6: Final answer
    x = 107,324,832.82

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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.