Home / 140,042,134.61-193,258,413.20-77,318,353.93

Finding the Fourth Proportional to 140,042,134.61, 193,258,413.20 and 77,318,353.93

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Solution

The fourth proportional to 140,042,134.61, 193,258,413.20 and 77,318,353.93 is: 106,699,476.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,042,134.61 : 193,258,413.20 = 77,318,353.93 : x
  2. Step 2: Convert to fraction form
    140,042,134.61/193,258,413.20 = 77,318,353.93/x
  3. Step 3: Cross multiply
    140,042,134.61x = 193,258,413.20 × 77,318,353.93
  4. Step 4: Simplify right side
    140,042,134.61x = 14,942,422,391,820,290
  5. Step 5: Solve for x
    x = 14,942,422,391,820,290/140,042,134.61
  6. Step 6: Final answer
    x = 106,699,476.08

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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.