Home / 66,707,867.77-92,043,765.47-41,913,688.57

Finding the Fourth Proportional to 66,707,867.77, 92,043,765.47 and 41,913,688.57

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Solution

The fourth proportional to 66,707,867.77, 92,043,765.47 and 41,913,688.57 is: 57,832,664.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,707,867.77 : 92,043,765.47 = 41,913,688.57 : x
  2. Step 2: Convert to fraction form
    66,707,867.77/92,043,765.47 = 41,913,688.57/x
  3. Step 3: Cross multiply
    66,707,867.77x = 92,043,765.47 × 41,913,688.57
  4. Step 4: Simplify right side
    66,707,867.77x = 3,857,893,720,510,131.50
  5. Step 5: Solve for x
    x = 3,857,893,720,510,131.50/66,707,867.77
  6. Step 6: Final answer
    x = 57,832,664.26

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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.