Home / 251,383,705.95-377,129,833.11-76,520,413.74

Finding the Fourth Proportional to 251,383,705.95, 377,129,833.11 and 76,520,413.74

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Solution

The fourth proportional to 251,383,705.95, 377,129,833.11 and 76,520,413.74 is: 114,797,141.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,383,705.95 : 377,129,833.11 = 76,520,413.74 : x
  2. Step 2: Convert to fraction form
    251,383,705.95/377,129,833.11 = 76,520,413.74/x
  3. Step 3: Cross multiply
    251,383,705.95x = 377,129,833.11 × 76,520,413.74
  4. Step 4: Simplify right side
    251,383,705.95x = 28,858,130,863,274,352
  5. Step 5: Solve for x
    x = 28,858,130,863,274,352/251,383,705.95
  6. Step 6: Final answer
    x = 114,797,141.50

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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.