Home / 85,764,400.60-128,646,600.90-34,620,093.40

Finding the Fourth Proportional to 85,764,400.60, 128,646,600.90 and 34,620,093.40

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Solution

The fourth proportional to 85,764,400.60, 128,646,600.90 and 34,620,093.40 is: 51,930,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,764,400.60 : 128,646,600.90 = 34,620,093.40 : x
  2. Step 2: Convert to fraction form
    85,764,400.60/128,646,600.90 = 34,620,093.40/x
  3. Step 3: Cross multiply
    85,764,400.60x = 128,646,600.90 × 34,620,093.40
  4. Step 4: Simplify right side
    85,764,400.60x = 4,453,757,338,750,524
  5. Step 5: Solve for x
    x = 4,453,757,338,750,524/85,764,400.60
  6. Step 6: Final answer
    x = 51,930,140.10

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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.