Home / 131,489,148.15-197,233,722.23-127,710,012.15

Finding the Fourth Proportional to 131,489,148.15, 197,233,722.23 and 127,710,012.15

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Solution

The fourth proportional to 131,489,148.15, 197,233,722.23 and 127,710,012.15 is: 191,565,018.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,489,148.15 : 197,233,722.23 = 127,710,012.15 : x
  2. Step 2: Convert to fraction form
    131,489,148.15/197,233,722.23 = 127,710,012.15/x
  3. Step 3: Cross multiply
    131,489,148.15x = 197,233,722.23 × 127,710,012.15
  4. Step 4: Simplify right side
    131,489,148.15x = 25,188,721,061,744,476
  5. Step 5: Solve for x
    x = 25,188,721,061,744,476/131,489,148.15
  6. Step 6: Final answer
    x = 191,565,018.23

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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.