Home / 119,624,692.41-165,112,788.44-77,912,697.51

Finding the Fourth Proportional to 119,624,692.41, 165,112,788.44 and 77,912,697.51

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Solution

The fourth proportional to 119,624,692.41, 165,112,788.44 and 77,912,697.51 is: 107,539,526.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,624,692.41 : 165,112,788.44 = 77,912,697.51 : x
  2. Step 2: Convert to fraction form
    119,624,692.41/165,112,788.44 = 77,912,697.51/x
  3. Step 3: Cross multiply
    119,624,692.41x = 165,112,788.44 × 77,912,697.51
  4. Step 4: Simplify right side
    119,624,692.41x = 12,864,382,740,368,782
  5. Step 5: Solve for x
    x = 12,864,382,740,368,782/119,624,692.41
  6. Step 6: Final answer
    x = 107,539,526.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.