Home / 66,443,825.40-99,665,738.10-48,527,921.40

Finding the Fourth Proportional to 66,443,825.40, 99,665,738.10 and 48,527,921.40

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Solution

The fourth proportional to 66,443,825.40, 99,665,738.10 and 48,527,921.40 is: 72,791,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,443,825.40 : 99,665,738.10 = 48,527,921.40 : x
  2. Step 2: Convert to fraction form
    66,443,825.40/99,665,738.10 = 48,527,921.40/x
  3. Step 3: Cross multiply
    66,443,825.40x = 99,665,738.10 × 48,527,921.40
  4. Step 4: Simplify right side
    66,443,825.40x = 4,836,571,104,789,785
  5. Step 5: Solve for x
    x = 4,836,571,104,789,785/66,443,825.40
  6. Step 6: Final answer
    x = 72,791,882.10

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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.