Home / 79,219,391.52-118,857,201.12-35,496,712.56

Finding the Fourth Proportional to 79,219,391.52, 118,857,201.12 and 35,496,712.56

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Solution

The fourth proportional to 79,219,391.52, 118,857,201.12 and 35,496,712.56 is: 53,257,666.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,219,391.52 : 118,857,201.12 = 35,496,712.56 : x
  2. Step 2: Convert to fraction form
    79,219,391.52/118,857,201.12 = 35,496,712.56/x
  3. Step 3: Cross multiply
    79,219,391.52x = 118,857,201.12 × 35,496,712.56
  4. Step 4: Simplify right side
    79,219,391.52x = 4,219,039,903,842,750.50
  5. Step 5: Solve for x
    x = 4,219,039,903,842,750.50/79,219,391.52
  6. Step 6: Final answer
    x = 53,257,666.12

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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.