Home / 101,126,318.20-139,558,271.40-57,074,840.80

Finding the Fourth Proportional to 101,126,318.20, 139,558,271.40 and 57,074,840.80

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Solution

The fourth proportional to 101,126,318.20, 139,558,271.40 and 57,074,840.80 is: 78,765,510.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,126,318.20 : 139,558,271.40 = 57,074,840.80 : x
  2. Step 2: Convert to fraction form
    101,126,318.20/139,558,271.40 = 57,074,840.80/x
  3. Step 3: Cross multiply
    101,126,318.20x = 139,558,271.40 × 57,074,840.80
  4. Step 4: Simplify right side
    101,126,318.20x = 7,965,266,122,478,193
  5. Step 5: Solve for x
    x = 7,965,266,122,478,193/101,126,318.20
  6. Step 6: Final answer
    x = 78,765,510.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.