Home / 98,176,511.38-146,901,004.17-78,686,624.85

Finding the Fourth Proportional to 98,176,511.38, 146,901,004.17 and 78,686,624.85

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Solution

The fourth proportional to 98,176,511.38, 146,901,004.17 and 78,686,624.85 is: 117,738,388.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,176,511.38 : 146,901,004.17 = 78,686,624.85 : x
  2. Step 2: Convert to fraction form
    98,176,511.38/146,901,004.17 = 78,686,624.85/x
  3. Step 3: Cross multiply
    98,176,511.38x = 146,901,004.17 × 78,686,624.85
  4. Step 4: Simplify right side
    98,176,511.38x = 11,559,144,205,213,074
  5. Step 5: Solve for x
    x = 11,559,144,205,213,074/98,176,511.38
  6. Step 6: Final answer
    x = 117,738,388.16

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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.