Home / 127,584,018.60-191,376,027.90-109,668,114.60

Finding the Fourth Proportional to 127,584,018.60, 191,376,027.90 and 109,668,114.60

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Solution

The fourth proportional to 127,584,018.60, 191,376,027.90 and 109,668,114.60 is: 164,502,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,584,018.60 : 191,376,027.90 = 109,668,114.60 : x
  2. Step 2: Convert to fraction form
    127,584,018.60/191,376,027.90 = 109,668,114.60/x
  3. Step 3: Cross multiply
    127,584,018.60x = 191,376,027.90 × 109,668,114.60
  4. Step 4: Simplify right side
    127,584,018.60x = 20,987,848,159,429,996
  5. Step 5: Solve for x
    x = 20,987,848,159,429,996/127,584,018.60
  6. Step 6: Final answer
    x = 164,502,171.90

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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.