Home / 255,456,679.70-383,185,019.55-147,961,255.70

Finding the Fourth Proportional to 255,456,679.70, 383,185,019.55 and 147,961,255.70

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Solution

The fourth proportional to 255,456,679.70, 383,185,019.55 and 147,961,255.70 is: 221,941,883.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,456,679.70 : 383,185,019.55 = 147,961,255.70 : x
  2. Step 2: Convert to fraction form
    255,456,679.70/383,185,019.55 = 147,961,255.70/x
  3. Step 3: Cross multiply
    255,456,679.70x = 383,185,019.55 × 147,961,255.70
  4. Step 4: Simplify right side
    255,456,679.70x = 56,696,536,658,047,048
  5. Step 5: Solve for x
    x = 56,696,536,658,047,048/255,456,679.70
  6. Step 6: Final answer
    x = 221,941,883.55

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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.