Home / 160,705,773.20-221,767,764.36-87,366,947.60

Finding the Fourth Proportional to 160,705,773.20, 221,767,764.36 and 87,366,947.60

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Solution

The fourth proportional to 160,705,773.20, 221,767,764.36 and 87,366,947.60 is: 120,563,015.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,705,773.20 : 221,767,764.36 = 87,366,947.60 : x
  2. Step 2: Convert to fraction form
    160,705,773.20/221,767,764.36 = 87,366,947.60/x
  3. Step 3: Cross multiply
    160,705,773.20x = 221,767,764.36 × 87,366,947.60
  4. Step 4: Simplify right side
    160,705,773.20x = 19,375,172,648,209,268
  5. Step 5: Solve for x
    x = 19,375,172,648,209,268/160,705,773.20
  6. Step 6: Final answer
    x = 120,563,015.64

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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.