Home / 84,230,103.70-126,345,155.55-84,230,103.70

Finding the Fourth Proportional to 84,230,103.70, 126,345,155.55 and 84,230,103.70

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Solution

The fourth proportional to 84,230,103.70, 126,345,155.55 and 84,230,103.70 is: 126,345,155.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,230,103.70 : 126,345,155.55 = 84,230,103.70 : x
  2. Step 2: Convert to fraction form
    84,230,103.70/126,345,155.55 = 84,230,103.70/x
  3. Step 3: Cross multiply
    84,230,103.70x = 126,345,155.55 × 84,230,103.70
  4. Step 4: Simplify right side
    84,230,103.70x = 10,642,065,553,969,130
  5. Step 5: Solve for x
    x = 10,642,065,553,969,130/84,230,103.70
  6. Step 6: Final answer
    x = 126,345,155.55

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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.