Home / 74,889,845.70-112,334,768.55-31,751,708.10

Finding the Fourth Proportional to 74,889,845.70, 112,334,768.55 and 31,751,708.10

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Solution

The fourth proportional to 74,889,845.70, 112,334,768.55 and 31,751,708.10 is: 47,627,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,889,845.70 : 112,334,768.55 = 31,751,708.10 : x
  2. Step 2: Convert to fraction form
    74,889,845.70/112,334,768.55 = 31,751,708.10/x
  3. Step 3: Cross multiply
    74,889,845.70x = 112,334,768.55 × 31,751,708.10
  4. Step 4: Simplify right side
    74,889,845.70x = 3,566,820,780,480,660.50
  5. Step 5: Solve for x
    x = 3,566,820,780,480,660.50/74,889,845.70
  6. Step 6: Final answer
    x = 47,627,562.15

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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.