Home / 74,909,712.30-112,364,568.45-38,467,293.90

Finding the Fourth Proportional to 74,909,712.30, 112,364,568.45 and 38,467,293.90

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Solution

The fourth proportional to 74,909,712.30, 112,364,568.45 and 38,467,293.90 is: 57,700,940.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,909,712.30 : 112,364,568.45 = 38,467,293.90 : x
  2. Step 2: Convert to fraction form
    74,909,712.30/112,364,568.45 = 38,467,293.90/x
  3. Step 3: Cross multiply
    74,909,712.30x = 112,364,568.45 × 38,467,293.90
  4. Step 4: Simplify right side
    74,909,712.30x = 4,322,360,878,512,817.50
  5. Step 5: Solve for x
    x = 4,322,360,878,512,817.50/74,909,712.30
  6. Step 6: Final answer
    x = 57,700,940.85

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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.