Home / 281,760,032.81-422,643,303.09-85,025,150.55

Finding the Fourth Proportional to 281,760,032.81, 422,643,303.09 and 85,025,150.55

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Solution

The fourth proportional to 281,760,032.81, 422,643,303.09 and 85,025,150.55 is: 127,538,707.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,760,032.81 : 422,643,303.09 = 85,025,150.55 : x
  2. Step 2: Convert to fraction form
    281,760,032.81/422,643,303.09 = 85,025,150.55/x
  3. Step 3: Cross multiply
    281,760,032.81x = 422,643,303.09 × 85,025,150.55
  4. Step 4: Simplify right side
    281,760,032.81x = 35,935,310,474,176,528
  5. Step 5: Solve for x
    x = 35,935,310,474,176,528/281,760,032.81
  6. Step 6: Final answer
    x = 127,538,707.73

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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.