Home / 217,152,806.40-325,729,209.60-195,653,721.60

Finding the Fourth Proportional to 217,152,806.40, 325,729,209.60 and 195,653,721.60

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Solution

The fourth proportional to 217,152,806.40, 325,729,209.60 and 195,653,721.60 is: 293,480,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,152,806.40 : 325,729,209.60 = 195,653,721.60 : x
  2. Step 2: Convert to fraction form
    217,152,806.40/325,729,209.60 = 195,653,721.60/x
  3. Step 3: Cross multiply
    217,152,806.40x = 325,729,209.60 × 195,653,721.60
  4. Step 4: Simplify right side
    217,152,806.40x = 63,730,132,092,066,448
  5. Step 5: Solve for x
    x = 63,730,132,092,066,448/217,152,806.40
  6. Step 6: Final answer
    x = 293,480,582.40

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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.