Home / 172,644,321.20-238,249,419.16-98,304,942.16

Finding the Fourth Proportional to 172,644,321.20, 238,249,419.16 and 98,304,942.16

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Solution

The fourth proportional to 172,644,321.20, 238,249,419.16 and 98,304,942.16 is: 135,660,965.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,644,321.20 : 238,249,419.16 = 98,304,942.16 : x
  2. Step 2: Convert to fraction form
    172,644,321.20/238,249,419.16 = 98,304,942.16/x
  3. Step 3: Cross multiply
    172,644,321.20x = 238,249,419.16 × 98,304,942.16
  4. Step 4: Simplify right side
    172,644,321.20x = 23,421,095,370,177,396
  5. Step 5: Solve for x
    x = 23,421,095,370,177,396/172,644,321.20
  6. Step 6: Final answer
    x = 135,660,965.89

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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.