Home / 205,564,989.48-308,224,309.52-65,444,890.92

Finding the Fourth Proportional to 205,564,989.48, 308,224,309.52 and 65,444,890.92

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Solution

The fourth proportional to 205,564,989.48, 308,224,309.52 and 65,444,890.92 is: 98,128,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,564,989.48 : 308,224,309.52 = 65,444,890.92 : x
  2. Step 2: Convert to fraction form
    205,564,989.48/308,224,309.52 = 65,444,890.92/x
  3. Step 3: Cross multiply
    205,564,989.48x = 308,224,309.52 × 65,444,890.92
  4. Step 4: Simplify right side
    205,564,989.48x = 20,171,706,315,428,716
  5. Step 5: Solve for x
    x = 20,171,706,315,428,716/205,564,989.48
  6. Step 6: Final answer
    x = 98,128,121.75

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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.