Home / 131,489,161.40-197,233,742.10-127,710,025.40

Finding the Fourth Proportional to 131,489,161.40, 197,233,742.10 and 127,710,025.40

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Solution

The fourth proportional to 131,489,161.40, 197,233,742.10 and 127,710,025.40 is: 191,565,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,489,161.40 : 197,233,742.10 = 127,710,025.40 : x
  2. Step 2: Convert to fraction form
    131,489,161.40/197,233,742.10 = 127,710,025.40/x
  3. Step 3: Cross multiply
    131,489,161.40x = 197,233,742.10 × 127,710,025.40
  4. Step 4: Simplify right side
    131,489,161.40x = 25,188,726,213,328,048
  5. Step 5: Solve for x
    x = 25,188,726,213,328,048/131,489,161.40
  6. Step 6: Final answer
    x = 191,565,038.10

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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.