Home / 106,434,812.40-159,652,218.60-66,124,028.40

Finding the Fourth Proportional to 106,434,812.40, 159,652,218.60 and 66,124,028.40

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Solution

The fourth proportional to 106,434,812.40, 159,652,218.60 and 66,124,028.40 is: 99,186,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,434,812.40 : 159,652,218.60 = 66,124,028.40 : x
  2. Step 2: Convert to fraction form
    106,434,812.40/159,652,218.60 = 66,124,028.40/x
  3. Step 3: Cross multiply
    106,434,812.40x = 159,652,218.60 × 66,124,028.40
  4. Step 4: Simplify right side
    106,434,812.40x = 10,556,847,836,829,408
  5. Step 5: Solve for x
    x = 10,556,847,836,829,408/106,434,812.40
  6. Step 6: Final answer
    x = 99,186,042.60

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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.