Home / 243,578,003.85-365,367,005.78-191,921,938.65

Finding the Fourth Proportional to 243,578,003.85, 365,367,005.78 and 191,921,938.65

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Solution

The fourth proportional to 243,578,003.85, 365,367,005.78 and 191,921,938.65 is: 287,882,907.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,578,003.85 : 365,367,005.78 = 191,921,938.65 : x
  2. Step 2: Convert to fraction form
    243,578,003.85/365,367,005.78 = 191,921,938.65/x
  3. Step 3: Cross multiply
    243,578,003.85x = 365,367,005.78 × 191,921,938.65
  4. Step 4: Simplify right side
    243,578,003.85x = 70,121,944,068,043,352
  5. Step 5: Solve for x
    x = 70,121,944,068,043,352/243,578,003.85
  6. Step 6: Final answer
    x = 287,882,907.98

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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.