Home / 72,501,278.83-100,060,284.35-40,716,671.94

Finding the Fourth Proportional to 72,501,278.83, 100,060,284.35 and 40,716,671.94

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Solution

The fourth proportional to 72,501,278.83, 100,060,284.35 and 40,716,671.94 is: 56,193,791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,501,278.83 : 100,060,284.35 = 40,716,671.94 : x
  2. Step 2: Convert to fraction form
    72,501,278.83/100,060,284.35 = 40,716,671.94/x
  3. Step 3: Cross multiply
    72,501,278.83x = 100,060,284.35 × 40,716,671.94
  4. Step 4: Simplify right side
    72,501,278.83x = 4,074,121,772,203,858
  5. Step 5: Solve for x
    x = 4,074,121,772,203,858/72,501,278.83
  6. Step 6: Final answer
    x = 56,193,791.86

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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.