Home / 220,064,694.90-329,887,090.35-81,853,293.30

Finding the Fourth Proportional to 220,064,694.90, 329,887,090.35 and 81,853,293.30

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Solution

The fourth proportional to 220,064,694.90, 329,887,090.35 and 81,853,293.30 is: 122,701,848.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,064,694.90 : 329,887,090.35 = 81,853,293.30 : x
  2. Step 2: Convert to fraction form
    220,064,694.90/329,887,090.35 = 81,853,293.30/x
  3. Step 3: Cross multiply
    220,064,694.90x = 329,887,090.35 × 81,853,293.30
  4. Step 4: Simplify right side
    220,064,694.90x = 27,002,344,762,302,152
  5. Step 5: Solve for x
    x = 27,002,344,762,302,152/220,064,694.90
  6. Step 6: Final answer
    x = 122,701,848.08

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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.