Home / 42,258,833.96-63,409,868.44-20,126,032.44

Finding the Fourth Proportional to 42,258,833.96, 63,409,868.44 and 20,126,032.44

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Solution

The fourth proportional to 42,258,833.96, 63,409,868.44 and 20,126,032.44 is: 30,199,344.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,258,833.96 : 63,409,868.44 = 20,126,032.44 : x
  2. Step 2: Convert to fraction form
    42,258,833.96/63,409,868.44 = 20,126,032.44/x
  3. Step 3: Cross multiply
    42,258,833.96x = 63,409,868.44 × 20,126,032.44
  4. Step 4: Simplify right side
    42,258,833.96x = 1,276,189,069,239,572.25
  5. Step 5: Solve for x
    x = 1,276,189,069,239,572.25/42,258,833.96
  6. Step 6: Final answer
    x = 30,199,344.13

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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.