Home / 243,578,014.60-365,367,021.90-191,921,949.40

Finding the Fourth Proportional to 243,578,014.60, 365,367,021.90 and 191,921,949.40

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Solution

The fourth proportional to 243,578,014.60, 365,367,021.90 and 191,921,949.40 is: 287,882,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,578,014.60 : 365,367,021.90 = 191,921,949.40 : x
  2. Step 2: Convert to fraction form
    243,578,014.60/365,367,021.90 = 191,921,949.40/x
  3. Step 3: Cross multiply
    243,578,014.60x = 365,367,021.90 × 191,921,949.40
  4. Step 4: Simplify right side
    243,578,014.60x = 70,121,951,089,520,488
  5. Step 5: Solve for x
    x = 70,121,951,089,520,488/243,578,014.60
  6. Step 6: Final answer
    x = 287,882,924.10

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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.