Home / 91,296,761.90-125,916,068.48-80,259,913.30

Finding the Fourth Proportional to 91,296,761.90, 125,916,068.48 and 80,259,913.30

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Solution

The fourth proportional to 91,296,761.90, 125,916,068.48 and 80,259,913.30 is: 110,694,098.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,296,761.90 : 125,916,068.48 = 80,259,913.30 : x
  2. Step 2: Convert to fraction form
    91,296,761.90/125,916,068.48 = 80,259,913.30/x
  3. Step 3: Cross multiply
    91,296,761.90x = 125,916,068.48 × 80,259,913.30
  4. Step 4: Simplify right side
    91,296,761.90x = 10,106,012,739,281,662
  5. Step 5: Solve for x
    x = 10,106,012,739,281,662/91,296,761.90
  6. Step 6: Final answer
    x = 110,694,098.33

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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.