Home / 243,578,002.35-365,367,003.53-191,921,937.15

Finding the Fourth Proportional to 243,578,002.35, 365,367,003.53 and 191,921,937.15

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Solution

The fourth proportional to 243,578,002.35, 365,367,003.53 and 191,921,937.15 is: 287,882,905.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,578,002.35 : 365,367,003.53 = 191,921,937.15 : x
  2. Step 2: Convert to fraction form
    243,578,002.35/365,367,003.53 = 191,921,937.15/x
  3. Step 3: Cross multiply
    243,578,002.35x = 365,367,003.53 × 191,921,937.15
  4. Step 4: Simplify right side
    243,578,002.35x = 70,121,943,087,208,880
  5. Step 5: Solve for x
    x = 70,121,943,087,208,880/243,578,002.35
  6. Step 6: Final answer
    x = 287,882,905.73

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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.