Home / 140,471,919,413.38-193,851,392,257.70-76,242,656,963.70

Finding the Fourth Proportional to 140,471,919,413.38, 193,851,392,257.70 and 76,242,656,963.70

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Solution

The fourth proportional to 140,471,919,413.38, 193,851,392,257.70 and 76,242,656,963.70 is: 105,214,944,478.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,471,919,413.38 : 193,851,392,257.70 = 76,242,656,963.70 : x
  2. Step 2: Convert to fraction form
    140,471,919,413.38/193,851,392,257.70 = 76,242,656,963.70/x
  3. Step 3: Cross multiply
    140,471,919,413.38x = 193,851,392,257.70 × 76,242,656,963.70
  4. Step 4: Simplify right side
    140,471,919,413.38x = 14,779,745,201,839,472,115,712
  5. Step 5: Solve for x
    x = 14,779,745,201,839,472,115,712/140,471,919,413.38
  6. Step 6: Final answer
    x = 105,214,944,478.30

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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.