Home / 161,486,057.44-242,143,966-70,503,358.24

Finding the Fourth Proportional to 161,486,057.44, 242,143,966 and 70,503,358.24

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Solution

The fourth proportional to 161,486,057.44, 242,143,966 and 70,503,358.24 is: 105,717,874.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,486,057.44 : 242,143,966 = 70,503,358.24 : x
  2. Step 2: Convert to fraction form
    161,486,057.44/242,143,966 = 70,503,358.24/x
  3. Step 3: Cross multiply
    161,486,057.44x = 242,143,966 × 70,503,358.24
  4. Step 4: Simplify right side
    161,486,057.44x = 17,071,962,780,552,378
  5. Step 5: Solve for x
    x = 17,071,962,780,552,378/161,486,057.44
  6. Step 6: Final answer
    x = 105,717,874.66

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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.