Home / 74,667,652.80-103,008,672.24-71,205,838.86

Finding the Fourth Proportional to 74,667,652.80, 103,008,672.24 and 71,205,838.86

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Solution

The fourth proportional to 74,667,652.80, 103,008,672.24 and 71,205,838.86 is: 98,232,884.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,667,652.80 : 103,008,672.24 = 71,205,838.86 : x
  2. Step 2: Convert to fraction form
    74,667,652.80/103,008,672.24 = 71,205,838.86/x
  3. Step 3: Cross multiply
    74,667,652.80x = 103,008,672.24 × 71,205,838.86
  4. Step 4: Simplify right side
    74,667,652.80x = 7,334,818,916,703,995
  5. Step 5: Solve for x
    x = 7,334,818,916,703,995/74,667,652.80
  6. Step 6: Final answer
    x = 98,232,884.54

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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.