Home / 99,932,597.88-137,906,205.60-55,879,681.92

Finding the Fourth Proportional to 99,932,597.88, 137,906,205.60 and 55,879,681.92

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Solution

The fourth proportional to 99,932,597.88, 137,906,205.60 and 55,879,681.92 is: 77,113,525.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,932,597.88 : 137,906,205.60 = 55,879,681.92 : x
  2. Step 2: Convert to fraction form
    99,932,597.88/137,906,205.60 = 55,879,681.92/x
  3. Step 3: Cross multiply
    99,932,597.88x = 137,906,205.60 × 55,879,681.92
  4. Step 4: Simplify right side
    99,932,597.88x = 7,706,154,903,722,123
  5. Step 5: Solve for x
    x = 7,706,154,903,722,123/99,932,597.88
  6. Step 6: Final answer
    x = 77,113,525.19

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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.