Home / 205,524,350.40-308,300,522.40-65,453,707.20

Finding the Fourth Proportional to 205,524,350.40, 308,300,522.40 and 65,453,707.20

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Solution

The fourth proportional to 205,524,350.40, 308,300,522.40 and 65,453,707.20 is: 98,185,018.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,524,350.40 : 308,300,522.40 = 65,453,707.20 : x
  2. Step 2: Convert to fraction form
    205,524,350.40/308,300,522.40 = 65,453,707.20/x
  3. Step 3: Cross multiply
    205,524,350.40x = 308,300,522.40 × 65,453,707.20
  4. Step 4: Simplify right side
    205,524,350.40x = 20,179,412,122,776,640
  5. Step 5: Solve for x
    x = 20,179,412,122,776,640/205,524,350.40
  6. Step 6: Final answer
    x = 98,185,018.39

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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.