Home / 60,440,143.80-90,660,215.70-51,086,782.20

Finding the Fourth Proportional to 60,440,143.80, 90,660,215.70 and 51,086,782.20

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Solution

The fourth proportional to 60,440,143.80, 90,660,215.70 and 51,086,782.20 is: 76,630,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,440,143.80 : 90,660,215.70 = 51,086,782.20 : x
  2. Step 2: Convert to fraction form
    60,440,143.80/90,660,215.70 = 51,086,782.20/x
  3. Step 3: Cross multiply
    60,440,143.80x = 90,660,215.70 × 51,086,782.20
  4. Step 4: Simplify right side
    60,440,143.80x = 4,631,538,693,670,921
  5. Step 5: Solve for x
    x = 4,631,538,693,670,921/60,440,143.80
  6. Step 6: Final answer
    x = 76,630,173.30

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1.5x scale

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.