Home / 205,909,115.81-308,875,346.51-65,861,874.27

Finding the Fourth Proportional to 205,909,115.81, 308,875,346.51 and 65,861,874.27

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Solution

The fourth proportional to 205,909,115.81, 308,875,346.51 and 65,861,874.27 is: 98,796,545.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,909,115.81 : 308,875,346.51 = 65,861,874.27 : x
  2. Step 2: Convert to fraction form
    205,909,115.81/308,875,346.51 = 65,861,874.27/x
  3. Step 3: Cross multiply
    205,909,115.81x = 308,875,346.51 × 65,861,874.27
  4. Step 4: Simplify right side
    205,909,115.81x = 20,343,109,236,614,996
  5. Step 5: Solve for x
    x = 20,343,109,236,614,996/205,909,115.81
  6. Step 6: Final answer
    x = 98,796,545.05

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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.