Home / 161,716,549.20-242,574,823.80-75,623,107.20

Finding the Fourth Proportional to 161,716,549.20, 242,574,823.80 and 75,623,107.20

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Solution

The fourth proportional to 161,716,549.20, 242,574,823.80 and 75,623,107.20 is: 113,434,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,716,549.20 : 242,574,823.80 = 75,623,107.20 : x
  2. Step 2: Convert to fraction form
    161,716,549.20/242,574,823.80 = 75,623,107.20/x
  3. Step 3: Cross multiply
    161,716,549.20x = 242,574,823.80 × 75,623,107.20
  4. Step 4: Simplify right side
    161,716,549.20x = 18,344,261,904,248,512
  5. Step 5: Solve for x
    x = 18,344,261,904,248,512/161,716,549.20
  6. Step 6: Final answer
    x = 113,434,660.80

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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.