Home / 127,939,663.40-191,909,495.10-106,682,023.40

Finding the Fourth Proportional to 127,939,663.40, 191,909,495.10 and 106,682,023.40

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Solution

The fourth proportional to 127,939,663.40, 191,909,495.10 and 106,682,023.40 is: 160,023,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,939,663.40 : 191,909,495.10 = 106,682,023.40 : x
  2. Step 2: Convert to fraction form
    127,939,663.40/191,909,495.10 = 106,682,023.40/x
  3. Step 3: Cross multiply
    127,939,663.40x = 191,909,495.10 × 106,682,023.40
  4. Step 4: Simplify right side
    127,939,663.40x = 20,473,293,246,940,384
  5. Step 5: Solve for x
    x = 20,473,293,246,940,384/127,939,663.40
  6. Step 6: Final answer
    x = 160,023,035.10

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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.