Home / 77,340,917-106,728,333.94-42,533,606.60

Finding the Fourth Proportional to 77,340,917, 106,728,333.94 and 42,533,606.60

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Solution

The fourth proportional to 77,340,917, 106,728,333.94 and 42,533,606.60 is: 58,695,204.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,340,917 : 106,728,333.94 = 42,533,606.60 : x
  2. Step 2: Convert to fraction form
    77,340,917/106,728,333.94 = 42,533,606.60/x
  3. Step 3: Cross multiply
    77,340,917x = 106,728,333.94 × 42,533,606.60
  4. Step 4: Simplify right side
    77,340,917x = 4,539,540,968,877,388
  5. Step 5: Solve for x
    x = 4,539,540,968,877,388/77,340,917
  6. Step 6: Final answer
    x = 58,695,204.88

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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.