Home / 77,405,692.10-106,819,823.72-42,598,382.42

Finding the Fourth Proportional to 77,405,692.10, 106,819,823.72 and 42,598,382.42

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Solution

The fourth proportional to 77,405,692.10, 106,819,823.72 and 42,598,382.42 is: 58,785,750.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,405,692.10 : 106,819,823.72 = 42,598,382.42 : x
  2. Step 2: Convert to fraction form
    77,405,692.10/106,819,823.72 = 42,598,382.42/x
  3. Step 3: Cross multiply
    77,405,692.10x = 106,819,823.72 × 42,598,382.42
  4. Step 4: Simplify right side
    77,405,692.10x = 4,550,351,701,235,092
  5. Step 5: Solve for x
    x = 4,550,351,701,235,092/77,405,692.10
  6. Step 6: Final answer
    x = 58,785,750.48

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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.