Home / 131,489,138.40-197,233,707.60-127,710,002.40

Finding the Fourth Proportional to 131,489,138.40, 197,233,707.60 and 127,710,002.40

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Solution

The fourth proportional to 131,489,138.40, 197,233,707.60 and 127,710,002.40 is: 191,565,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,489,138.40 : 197,233,707.60 = 127,710,002.40 : x
  2. Step 2: Convert to fraction form
    131,489,138.40/197,233,707.60 = 127,710,002.40/x
  3. Step 3: Cross multiply
    131,489,138.40x = 197,233,707.60 × 127,710,002.40
  4. Step 4: Simplify right side
    131,489,138.40x = 25,188,717,270,956,900
  5. Step 5: Solve for x
    x = 25,188,717,270,956,900/131,489,138.40
  6. Step 6: Final answer
    x = 191,565,003.60

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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.