Home / 127,905,605.80-191,858,408.70-119,339,564.20

Finding the Fourth Proportional to 127,905,605.80, 191,858,408.70 and 119,339,564.20

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Solution

The fourth proportional to 127,905,605.80, 191,858,408.70 and 119,339,564.20 is: 179,009,346.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,905,605.80 : 191,858,408.70 = 119,339,564.20 : x
  2. Step 2: Convert to fraction form
    127,905,605.80/191,858,408.70 = 119,339,564.20/x
  3. Step 3: Cross multiply
    127,905,605.80x = 191,858,408.70 × 119,339,564.20
  4. Step 4: Simplify right side
    127,905,605.80x = 22,896,298,882,363,488
  5. Step 5: Solve for x
    x = 22,896,298,882,363,488/127,905,605.80
  6. Step 6: Final answer
    x = 179,009,346.30

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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.