Home / 205,909,116.81-308,875,348.01-65,861,875.27

Finding the Fourth Proportional to 205,909,116.81, 308,875,348.01 and 65,861,875.27

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Solution

The fourth proportional to 205,909,116.81, 308,875,348.01 and 65,861,875.27 is: 98,796,546.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,909,116.81 : 308,875,348.01 = 65,861,875.27 : x
  2. Step 2: Convert to fraction form
    205,909,116.81/308,875,348.01 = 65,861,875.27/x
  3. Step 3: Cross multiply
    205,909,116.81x = 308,875,348.01 × 65,861,875.27
  4. Step 4: Simplify right side
    205,909,116.81x = 20,343,109,644,612,464
  5. Step 5: Solve for x
    x = 20,343,109,644,612,464/205,909,116.81
  6. Step 6: Final answer
    x = 98,796,546.55

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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.