Home / 127,710,410.40-191,565,615.60-117,856,663.20

Finding the Fourth Proportional to 127,710,410.40, 191,565,615.60 and 117,856,663.20

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Solution

The fourth proportional to 127,710,410.40, 191,565,615.60 and 117,856,663.20 is: 176,784,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,710,410.40 : 191,565,615.60 = 117,856,663.20 : x
  2. Step 2: Convert to fraction form
    127,710,410.40/191,565,615.60 = 117,856,663.20/x
  3. Step 3: Cross multiply
    127,710,410.40x = 191,565,615.60 × 117,856,663.20
  4. Step 4: Simplify right side
    127,710,410.40x = 22,577,284,238,469,864
  5. Step 5: Solve for x
    x = 22,577,284,238,469,864/127,710,410.40
  6. Step 6: Final answer
    x = 176,784,994.80

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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.