Home / 154,412,161.13-231,617,736.50-56,043,736.62

Finding the Fourth Proportional to 154,412,161.13, 231,617,736.50 and 56,043,736.62

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Solution

The fourth proportional to 154,412,161.13, 231,617,736.50 and 56,043,736.62 is: 84,065,421.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,412,161.13 : 231,617,736.50 = 56,043,736.62 : x
  2. Step 2: Convert to fraction form
    154,412,161.13/231,617,736.50 = 56,043,736.62/x
  3. Step 3: Cross multiply
    154,412,161.13x = 231,617,736.50 × 56,043,736.62
  4. Step 4: Simplify right side
    154,412,161.13x = 12,980,723,420,646,342
  5. Step 5: Solve for x
    x = 12,980,723,420,646,342/154,412,161.13
  6. Step 6: Final answer
    x = 84,065,421.57

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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.