Home / 84,889,337.20-127,334,005.80-30,328,061.20

Finding the Fourth Proportional to 84,889,337.20, 127,334,005.80 and 30,328,061.20

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Solution

The fourth proportional to 84,889,337.20, 127,334,005.80 and 30,328,061.20 is: 45,492,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,889,337.20 : 127,334,005.80 = 30,328,061.20 : x
  2. Step 2: Convert to fraction form
    84,889,337.20/127,334,005.80 = 30,328,061.20/x
  3. Step 3: Cross multiply
    84,889,337.20x = 127,334,005.80 × 30,328,061.20
  4. Step 4: Simplify right side
    84,889,337.20x = 3,861,793,520,743,555
  5. Step 5: Solve for x
    x = 3,861,793,520,743,555/84,889,337.20
  6. Step 6: Final answer
    x = 45,492,091.80

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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.