Home / 117,509,692.87-162,164,845.68-64,592,178.03

Finding the Fourth Proportional to 117,509,692.87, 162,164,845.68 and 64,592,178.03

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Solution

The fourth proportional to 117,509,692.87, 162,164,845.68 and 64,592,178.03 is: 89,138,013.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,509,692.87 : 162,164,845.68 = 64,592,178.03 : x
  2. Step 2: Convert to fraction form
    117,509,692.87/162,164,845.68 = 64,592,178.03/x
  3. Step 3: Cross multiply
    117,509,692.87x = 162,164,845.68 × 64,592,178.03
  4. Step 4: Simplify right side
    117,509,692.87x = 10,474,580,582,370,038
  5. Step 5: Solve for x
    x = 10,474,580,582,370,038/117,509,692.87
  6. Step 6: Final answer
    x = 89,138,013.44

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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.