Home / 81,836,647.60-122,772,686.10-24,334,731.40

Finding the Fourth Proportional to 81,836,647.60, 122,772,686.10 and 24,334,731.40

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Solution

The fourth proportional to 81,836,647.60, 122,772,686.10 and 24,334,731.40 is: 36,507,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,836,647.60 : 122,772,686.10 = 24,334,731.40 : x
  2. Step 2: Convert to fraction form
    81,836,647.60/122,772,686.10 = 24,334,731.40/x
  3. Step 3: Cross multiply
    81,836,647.60x = 122,772,686.10 × 24,334,731.40
  4. Step 4: Simplify right side
    81,836,647.60x = 2,987,640,339,500,013
  5. Step 5: Solve for x
    x = 2,987,640,339,500,013/81,836,647.60
  6. Step 6: Final answer
    x = 36,507,364.70

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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.