Home / 160,376,639.40-221,320,550.34-87,037,865.64

Finding the Fourth Proportional to 160,376,639.40, 221,320,550.34 and 87,037,865.64

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Solution

The fourth proportional to 160,376,639.40, 221,320,550.34 and 87,037,865.64 is: 120,112,682.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,376,639.40 : 221,320,550.34 = 87,037,865.64 : x
  2. Step 2: Convert to fraction form
    160,376,639.40/221,320,550.34 = 87,037,865.64/x
  3. Step 3: Cross multiply
    160,376,639.40x = 221,320,550.34 × 87,037,865.64
  4. Step 4: Simplify right side
    160,376,639.40x = 19,263,268,323,863,776
  5. Step 5: Solve for x
    x = 19,263,268,323,863,776/160,376,639.40
  6. Step 6: Final answer
    x = 120,112,682.22

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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.