Home / 91,085,055.30-125,698,793.49-49,832,636.58

Finding the Fourth Proportional to 91,085,055.30, 125,698,793.49 and 49,832,636.58

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Solution

The fourth proportional to 91,085,055.30, 125,698,793.49 and 49,832,636.58 is: 68,769,813.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,085,055.30 : 125,698,793.49 = 49,832,636.58 : x
  2. Step 2: Convert to fraction form
    91,085,055.30/125,698,793.49 = 49,832,636.58/x
  3. Step 3: Cross multiply
    91,085,055.30x = 125,698,793.49 × 49,832,636.58
  4. Step 4: Simplify right side
    91,085,055.30x = 6,263,902,294,531,639
  5. Step 5: Solve for x
    x = 6,263,902,294,531,639/91,085,055.30
  6. Step 6: Final answer
    x = 68,769,813.82

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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.