Home / 289,612,948.20-434,419,422.30-134,166,455.70

Finding the Fourth Proportional to 289,612,948.20, 434,419,422.30 and 134,166,455.70

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Solution

The fourth proportional to 289,612,948.20, 434,419,422.30 and 134,166,455.70 is: 201,249,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,612,948.20 : 434,419,422.30 = 134,166,455.70 : x
  2. Step 2: Convert to fraction form
    289,612,948.20/434,419,422.30 = 134,166,455.70/x
  3. Step 3: Cross multiply
    289,612,948.20x = 434,419,422.30 × 134,166,455.70
  4. Step 4: Simplify right side
    289,612,948.20x = 58,284,514,177,232,544
  5. Step 5: Solve for x
    x = 58,284,514,177,232,544/289,612,948.20
  6. Step 6: Final answer
    x = 201,249,683.55

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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.