Home / 69,984,201.70-104,976,302.55-21,461,670.10

Finding the Fourth Proportional to 69,984,201.70, 104,976,302.55 and 21,461,670.10

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Solution

The fourth proportional to 69,984,201.70, 104,976,302.55 and 21,461,670.10 is: 32,192,505.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,201.70 : 104,976,302.55 = 21,461,670.10 : x
  2. Step 2: Convert to fraction form
    69,984,201.70/104,976,302.55 = 21,461,670.10/x
  3. Step 3: Cross multiply
    69,984,201.70x = 104,976,302.55 × 21,461,670.10
  4. Step 4: Simplify right side
    69,984,201.70x = 2,252,966,773,645,889
  5. Step 5: Solve for x
    x = 2,252,966,773,645,889/69,984,201.70
  6. Step 6: Final answer
    x = 32,192,505.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.