Home / 84,118,533.10-126,189,609.45-26,604,807.10

Finding the Fourth Proportional to 84,118,533.10, 126,189,609.45 and 26,604,807.10

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Solution

The fourth proportional to 84,118,533.10, 126,189,609.45 and 26,604,807.10 is: 39,910,945.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,118,533.10 : 126,189,609.45 = 26,604,807.10 : x
  2. Step 2: Convert to fraction form
    84,118,533.10/126,189,609.45 = 26,604,807.10/x
  3. Step 3: Cross multiply
    84,118,533.10x = 126,189,609.45 × 26,604,807.10
  4. Step 4: Simplify right side
    84,118,533.10x = 3,357,250,217,441,587.50
  5. Step 5: Solve for x
    x = 3,357,250,217,441,587.50/84,118,533.10
  6. Step 6: Final answer
    x = 39,910,945.83

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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.