Home / 91,879,821.90-126,799,802.19-50,626,703.34

Finding the Fourth Proportional to 91,879,821.90, 126,799,802.19 and 50,626,703.34

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Solution

The fourth proportional to 91,879,821.90, 126,799,802.19 and 50,626,703.34 is: 69,867,962.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,879,821.90 : 126,799,802.19 = 50,626,703.34 : x
  2. Step 2: Convert to fraction form
    91,879,821.90/126,799,802.19 = 50,626,703.34/x
  3. Step 3: Cross multiply
    91,879,821.90x = 126,799,802.19 × 50,626,703.34
  4. Step 4: Simplify right side
    91,879,821.90x = 6,419,455,969,043,813
  5. Step 5: Solve for x
    x = 6,419,455,969,043,813/91,879,821.90
  6. Step 6: Final answer
    x = 69,867,962.70

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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.