Home / 99,862,679.83-137,814,754.20-55,809,677.37

Finding the Fourth Proportional to 99,862,679.83, 137,814,754.20 and 55,809,677.37

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Solution

The fourth proportional to 99,862,679.83, 137,814,754.20 and 55,809,677.37 is: 77,019,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,862,679.83 : 137,814,754.20 = 55,809,677.37 : x
  2. Step 2: Convert to fraction form
    99,862,679.83/137,814,754.20 = 55,809,677.37/x
  3. Step 3: Cross multiply
    99,862,679.83x = 137,814,754.20 × 55,809,677.37
  4. Step 4: Simplify right side
    99,862,679.83x = 7,691,396,968,727,851
  5. Step 5: Solve for x
    x = 7,691,396,968,727,851/99,862,679.83
  6. Step 6: Final answer
    x = 77,019,733.32

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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.