Home / 261,628,686.48-392,444,515.44-67,526,832.80

Finding the Fourth Proportional to 261,628,686.48, 392,444,515.44 and 67,526,832.80

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Solution

The fourth proportional to 261,628,686.48, 392,444,515.44 and 67,526,832.80 is: 101,290,632.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,628,686.48 : 392,444,515.44 = 67,526,832.80 : x
  2. Step 2: Convert to fraction form
    261,628,686.48/392,444,515.44 = 67,526,832.80/x
  3. Step 3: Cross multiply
    261,628,686.48x = 392,444,515.44 × 67,526,832.80
  4. Step 4: Simplify right side
    261,628,686.48x = 26,500,535,177,393,896
  5. Step 5: Solve for x
    x = 26,500,535,177,393,896/261,628,686.48
  6. Step 6: Final answer
    x = 101,290,632.67

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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.