Home / 99,379,716.75-137,132,986.64-55,316,565.63

Finding the Fourth Proportional to 99,379,716.75, 137,132,986.64 and 55,316,565.63

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Solution

The fourth proportional to 99,379,716.75, 137,132,986.64 and 55,316,565.63 is: 76,330,725.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,379,716.75 : 137,132,986.64 = 55,316,565.63 : x
  2. Step 2: Convert to fraction form
    99,379,716.75/137,132,986.64 = 55,316,565.63/x
  3. Step 3: Cross multiply
    99,379,716.75x = 137,132,986.64 × 55,316,565.63
  4. Step 4: Simplify right side
    99,379,716.75x = 7,585,725,855,232,890
  5. Step 5: Solve for x
    x = 7,585,725,855,232,890/99,379,716.75
  6. Step 6: Final answer
    x = 76,330,725.26

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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.