Home / 165,309,579.86-247,964,879.70-40,812,222.86

Finding the Fourth Proportional to 165,309,579.86, 247,964,879.70 and 40,812,222.86

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Solution

The fourth proportional to 165,309,579.86, 247,964,879.70 and 40,812,222.86 is: 61,218,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,309,579.86 : 247,964,879.70 = 40,812,222.86 : x
  2. Step 2: Convert to fraction form
    165,309,579.86/247,964,879.70 = 40,812,222.86/x
  3. Step 3: Cross multiply
    165,309,579.86x = 247,964,879.70 × 40,812,222.86
  4. Step 4: Simplify right side
    165,309,579.86x = 10,119,997,931,769,490
  5. Step 5: Solve for x
    x = 10,119,997,931,769,490/165,309,579.86
  6. Step 6: Final answer
    x = 61,218,460.18

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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.