Home / 247,243,228.80-370,917,987.30-74,737,480.20

Finding the Fourth Proportional to 247,243,228.80, 370,917,987.30 and 74,737,480.20

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Solution

The fourth proportional to 247,243,228.80, 370,917,987.30 and 74,737,480.20 is: 112,122,284.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,243,228.80 : 370,917,987.30 = 74,737,480.20 : x
  2. Step 2: Convert to fraction form
    247,243,228.80/370,917,987.30 = 74,737,480.20/x
  3. Step 3: Cross multiply
    247,243,228.80x = 370,917,987.30 × 74,737,480.20
  4. Step 4: Simplify right side
    247,243,228.80x = 27,721,475,731,657,604
  5. Step 5: Solve for x
    x = 27,721,475,731,657,604/247,243,228.80
  6. Step 6: Final answer
    x = 112,122,284.87

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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.