Home / 319,693,729.06-441,177,168.78-180,465,693.22

Finding the Fourth Proportional to 319,693,729.06, 441,177,168.78 and 180,465,693.22

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Solution

The fourth proportional to 319,693,729.06, 441,177,168.78 and 180,465,693.22 is: 249,042,556.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,693,729.06 : 441,177,168.78 = 180,465,693.22 : x
  2. Step 2: Convert to fraction form
    319,693,729.06/441,177,168.78 = 180,465,693.22/x
  3. Step 3: Cross multiply
    319,693,729.06x = 441,177,168.78 × 180,465,693.22
  4. Step 4: Simplify right side
    319,693,729.06x = 79,617,343,596,719,632
  5. Step 5: Solve for x
    x = 79,617,343,596,719,632/319,693,729.06
  6. Step 6: Final answer
    x = 249,042,556.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.