Home / 66,493,025.13-91,791,475.35-38,610,304.21

Finding the Fourth Proportional to 66,493,025.13, 91,791,475.35 and 38,610,304.21

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Solution

The fourth proportional to 66,493,025.13, 91,791,475.35 and 38,610,304.21 is: 53,300,278.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,493,025.13 : 91,791,475.35 = 38,610,304.21 : x
  2. Step 2: Convert to fraction form
    66,493,025.13/91,791,475.35 = 38,610,304.21/x
  3. Step 3: Cross multiply
    66,493,025.13x = 91,791,475.35 × 38,610,304.21
  4. Step 4: Simplify right side
    66,493,025.13x = 3,544,096,786,689,258.50
  5. Step 5: Solve for x
    x = 3,544,096,786,689,258.50/66,493,025.13
  6. Step 6: Final answer
    x = 53,300,278.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.