Home / 68,130,830.20-102,028,283.70-45,288,052.60

Finding the Fourth Proportional to 68,130,830.20, 102,028,283.70 and 45,288,052.60

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Solution

The fourth proportional to 68,130,830.20, 102,028,283.70 and 45,288,052.60 is: 67,820,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,130,830.20 : 102,028,283.70 = 45,288,052.60 : x
  2. Step 2: Convert to fraction form
    68,130,830.20/102,028,283.70 = 45,288,052.60/x
  3. Step 3: Cross multiply
    68,130,830.20x = 102,028,283.70 × 45,288,052.60
  4. Step 4: Simplify right side
    68,130,830.20x = 4,620,662,278,893,323
  5. Step 5: Solve for x
    x = 4,620,662,278,893,323/68,130,830.20
  6. Step 6: Final answer
    x = 67,820,431.15

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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.