Home / 99,862,672.22-137,814,743.70-55,809,669.76

Finding the Fourth Proportional to 99,862,672.22, 137,814,743.70 and 55,809,669.76

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Solution

The fourth proportional to 99,862,672.22, 137,814,743.70 and 55,809,669.76 is: 77,019,722.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,862,672.22 : 137,814,743.70 = 55,809,669.76 : x
  2. Step 2: Convert to fraction form
    99,862,672.22/137,814,743.70 = 55,809,669.76/x
  3. Step 3: Cross multiply
    99,862,672.22x = 137,814,743.70 × 55,809,669.76
  4. Step 4: Simplify right side
    99,862,672.22x = 7,691,395,334,368,243
  5. Step 5: Solve for x
    x = 7,691,395,334,368,243/99,862,672.22
  6. Step 6: Final answer
    x = 77,019,722.82

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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.