Home / 77,340,912-106,728,327.04-42,533,601.60

Finding the Fourth Proportional to 77,340,912, 106,728,327.04 and 42,533,601.60

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Solution

The fourth proportional to 77,340,912, 106,728,327.04 and 42,533,601.60 is: 58,695,197.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,340,912 : 106,728,327.04 = 42,533,601.60 : x
  2. Step 2: Convert to fraction form
    77,340,912/106,728,327.04 = 42,533,601.60/x
  3. Step 3: Cross multiply
    77,340,912x = 106,728,327.04 × 42,533,601.60
  4. Step 4: Simplify right side
    77,340,912x = 4,539,540,141,753,868
  5. Step 5: Solve for x
    x = 4,539,540,141,753,868/77,340,912
  6. Step 6: Final answer
    x = 58,695,197.98

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1.5x scale

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.