Home / 85,150,523.12-127,758,923.20-34,047,156.56

Finding the Fourth Proportional to 85,150,523.12, 127,758,923.20 and 34,047,156.56

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Solution

The fourth proportional to 85,150,523.12, 127,758,923.20 and 34,047,156.56 is: 51,083,985.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,150,523.12 : 127,758,923.20 = 34,047,156.56 : x
  2. Step 2: Convert to fraction form
    85,150,523.12/127,758,923.20 = 34,047,156.56/x
  3. Step 3: Cross multiply
    85,150,523.12x = 127,758,923.20 × 34,047,156.56
  4. Step 4: Simplify right side
    85,150,523.12x = 4,349,828,060,127,416.50
  5. Step 5: Solve for x
    x = 4,349,828,060,127,416.50/85,150,523.12
  6. Step 6: Final answer
    x = 51,083,985.17

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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.