Home / 157,036,007.21-216,568,614.33-98,304,026.40

Finding the Fourth Proportional to 157,036,007.21, 216,568,614.33 and 98,304,026.40

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Solution

The fourth proportional to 157,036,007.21, 216,568,614.33 and 98,304,026.40 is: 135,571,243.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,036,007.21 : 216,568,614.33 = 98,304,026.40 : x
  2. Step 2: Convert to fraction form
    157,036,007.21/216,568,614.33 = 98,304,026.40/x
  3. Step 3: Cross multiply
    157,036,007.21x = 216,568,614.33 × 98,304,026.40
  4. Step 4: Simplify right side
    157,036,007.21x = 21,289,566,780,507,740
  5. Step 5: Solve for x
    x = 21,289,566,780,507,740/157,036,007.21
  6. Step 6: Final answer
    x = 135,571,243.56

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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.