Home / 160,366,649.30-221,305,966.98-87,027,791.30

Finding the Fourth Proportional to 160,366,649.30, 221,305,966.98 and 87,027,791.30

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Solution

The fourth proportional to 160,366,649.30, 221,305,966.98 and 87,027,791.30 is: 120,098,347.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,366,649.30 : 221,305,966.98 = 87,027,791.30 : x
  2. Step 2: Convert to fraction form
    160,366,649.30/221,305,966.98 = 87,027,791.30/x
  3. Step 3: Cross multiply
    160,366,649.30x = 221,305,966.98 × 87,027,791.30
  4. Step 4: Simplify right side
    160,366,649.30x = 19,259,769,507,780,128
  5. Step 5: Solve for x
    x = 19,259,769,507,780,128/160,366,649.30
  6. Step 6: Final answer
    x = 120,098,347.08

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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.