Home / 84,889,319.70-127,333,979.55-30,328,043.70

Finding the Fourth Proportional to 84,889,319.70, 127,333,979.55 and 30,328,043.70

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Solution

The fourth proportional to 84,889,319.70, 127,333,979.55 and 30,328,043.70 is: 45,492,065.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,889,319.70 : 127,333,979.55 = 30,328,043.70 : x
  2. Step 2: Convert to fraction form
    84,889,319.70/127,333,979.55 = 30,328,043.70/x
  3. Step 3: Cross multiply
    84,889,319.70x = 127,333,979.55 × 30,328,043.70
  4. Step 4: Simplify right side
    84,889,319.70x = 3,861,790,496,287,306
  5. Step 5: Solve for x
    x = 3,861,790,496,287,306/84,889,319.70
  6. Step 6: Final answer
    x = 45,492,065.55

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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.