Home / 84,787,996.80-127,191,326.40-30,946,972.80

Finding the Fourth Proportional to 84,787,996.80, 127,191,326.40 and 30,946,972.80

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Solution

The fourth proportional to 84,787,996.80, 127,191,326.40 and 30,946,972.80 is: 46,423,865.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,787,996.80 : 127,191,326.40 = 30,946,972.80 : x
  2. Step 2: Convert to fraction form
    84,787,996.80/127,191,326.40 = 30,946,972.80/x
  3. Step 3: Cross multiply
    84,787,996.80x = 127,191,326.40 × 30,946,972.80
  4. Step 4: Simplify right side
    84,787,996.80x = 3,936,186,518,496,722
  5. Step 5: Solve for x
    x = 3,936,186,518,496,722/84,787,996.80
  6. Step 6: Final answer
    x = 46,423,865.02

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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.