Home / 127,584,663.60-191,376,998.10-36,708,252.60

Finding the Fourth Proportional to 127,584,663.60, 191,376,998.10 and 36,708,252.60

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Solution

The fourth proportional to 127,584,663.60, 191,376,998.10 and 36,708,252.60 is: 55,062,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,584,663.60 : 191,376,998.10 = 36,708,252.60 : x
  2. Step 2: Convert to fraction form
    127,584,663.60/191,376,998.10 = 36,708,252.60/x
  3. Step 3: Cross multiply
    127,584,663.60x = 191,376,998.10 × 36,708,252.60
  4. Step 4: Simplify right side
    127,584,663.60x = 7,025,115,188,084,520
  5. Step 5: Solve for x
    x = 7,025,115,188,084,520/127,584,663.60
  6. Step 6: Final answer
    x = 55,062,379.68

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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.