Home / 203,437,875.03-305,128,067.52-65,245,522.47

Finding the Fourth Proportional to 203,437,875.03, 305,128,067.52 and 65,245,522.47

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Solution

The fourth proportional to 203,437,875.03, 305,128,067.52 and 65,245,522.47 is: 97,859,064.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,437,875.03 : 305,128,067.52 = 65,245,522.47 : x
  2. Step 2: Convert to fraction form
    203,437,875.03/305,128,067.52 = 65,245,522.47/x
  3. Step 3: Cross multiply
    203,437,875.03x = 305,128,067.52 × 65,245,522.47
  4. Step 4: Simplify right side
    203,437,875.03x = 19,908,240,185,603,836
  5. Step 5: Solve for x
    x = 19,908,240,185,603,836/203,437,875.03
  6. Step 6: Final answer
    x = 97,859,064.75

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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.