Home / 57,472,995.20-86,209,492.80-51,237,420.80

Finding the Fourth Proportional to 57,472,995.20, 86,209,492.80 and 51,237,420.80

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Solution

The fourth proportional to 57,472,995.20, 86,209,492.80 and 51,237,420.80 is: 76,856,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,472,995.20 : 86,209,492.80 = 51,237,420.80 : x
  2. Step 2: Convert to fraction form
    57,472,995.20/86,209,492.80 = 51,237,420.80/x
  3. Step 3: Cross multiply
    57,472,995.20x = 86,209,492.80 × 51,237,420.80
  4. Step 4: Simplify right side
    57,472,995.20x = 4,417,152,059,548,170
  5. Step 5: Solve for x
    x = 4,417,152,059,548,170/57,472,995.20
  6. Step 6: Final answer
    x = 76,856,131.20

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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.