Home / 74,889,976.70-112,334,965.05-61,285,087.10

Finding the Fourth Proportional to 74,889,976.70, 112,334,965.05 and 61,285,087.10

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Solution

The fourth proportional to 74,889,976.70, 112,334,965.05 and 61,285,087.10 is: 91,927,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,889,976.70 : 112,334,965.05 = 61,285,087.10 : x
  2. Step 2: Convert to fraction form
    74,889,976.70/112,334,965.05 = 61,285,087.10/x
  3. Step 3: Cross multiply
    74,889,976.70x = 112,334,965.05 × 61,285,087.10
  4. Step 4: Simplify right side
    74,889,976.70x = 6,884,458,117,464,706
  5. Step 5: Solve for x
    x = 6,884,458,117,464,706/74,889,976.70
  6. Step 6: Final answer
    x = 91,927,630.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.