Home / 235,191,740.78-352,834,702.68-131,708,109.62

Finding the Fourth Proportional to 235,191,740.78, 352,834,702.68 and 131,708,109.62

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Solution

The fourth proportional to 235,191,740.78, 352,834,702.68 and 131,708,109.62 is: 197,588,535.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,191,740.78 : 352,834,702.68 = 131,708,109.62 : x
  2. Step 2: Convert to fraction form
    235,191,740.78/352,834,702.68 = 131,708,109.62/x
  3. Step 3: Cross multiply
    235,191,740.78x = 352,834,702.68 × 131,708,109.62
  4. Step 4: Simplify right side
    235,191,740.78x = 46,471,191,698,317,552
  5. Step 5: Solve for x
    x = 46,471,191,698,317,552/235,191,740.78
  6. Step 6: Final answer
    x = 197,588,535.82

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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.