Home / 155,176,355.75-214,195,262.32-92,472,116.55

Finding the Fourth Proportional to 155,176,355.75, 214,195,262.32 and 92,472,116.55

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Solution

The fourth proportional to 155,176,355.75, 214,195,262.32 and 92,472,116.55 is: 127,642,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,176,355.75 : 214,195,262.32 = 92,472,116.55 : x
  2. Step 2: Convert to fraction form
    155,176,355.75/214,195,262.32 = 92,472,116.55/x
  3. Step 3: Cross multiply
    155,176,355.75x = 214,195,262.32 × 92,472,116.55
  4. Step 4: Simplify right side
    155,176,355.75x = 19,807,089,261,709,452
  5. Step 5: Solve for x
    x = 19,807,089,261,709,452/155,176,355.75
  6. Step 6: Final answer
    x = 127,642,443.76

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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.