Home / 75,399,813.36-104,052,159.72-42,361,455.60

Finding the Fourth Proportional to 75,399,813.36, 104,052,159.72 and 42,361,455.60

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Solution

The fourth proportional to 75,399,813.36, 104,052,159.72 and 42,361,455.60 is: 58,459,043.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,399,813.36 : 104,052,159.72 = 42,361,455.60 : x
  2. Step 2: Convert to fraction form
    75,399,813.36/104,052,159.72 = 42,361,455.60/x
  3. Step 3: Cross multiply
    75,399,813.36x = 104,052,159.72 × 42,361,455.60
  4. Step 4: Simplify right side
    75,399,813.36x = 4,407,800,944,062,888.50
  5. Step 5: Solve for x
    x = 4,407,800,944,062,888.50/75,399,813.36
  6. Step 6: Final answer
    x = 58,459,043.17

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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.