Home / 76,841,257.28-106,043,464.31-42,033,151.17

Finding the Fourth Proportional to 76,841,257.28, 106,043,464.31 and 42,033,151.17

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Solution

The fourth proportional to 76,841,257.28, 106,043,464.31 and 42,033,151.17 is: 58,007,132.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,841,257.28 : 106,043,464.31 = 42,033,151.17 : x
  2. Step 2: Convert to fraction form
    76,841,257.28/106,043,464.31 = 42,033,151.17/x
  3. Step 3: Cross multiply
    76,841,257.28x = 106,043,464.31 × 42,033,151.17
  4. Step 4: Simplify right side
    76,841,257.28x = 4,457,340,965,722,564.50
  5. Step 5: Solve for x
    x = 4,457,340,965,722,564.50/76,841,257.28
  6. Step 6: Final answer
    x = 58,007,132.16

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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.