Home / 143,346,494.64-197,833,340.91-87,624,531.96

Finding the Fourth Proportional to 143,346,494.64, 197,833,340.91 and 87,624,531.96

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Solution

The fourth proportional to 143,346,494.64, 197,833,340.91 and 87,624,531.96 is: 120,931,132.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,346,494.64 : 197,833,340.91 = 87,624,531.96 : x
  2. Step 2: Convert to fraction form
    143,346,494.64/197,833,340.91 = 87,624,531.96/x
  3. Step 3: Cross multiply
    143,346,494.64x = 197,833,340.91 × 87,624,531.96
  4. Step 4: Simplify right side
    143,346,494.64x = 17,335,053,903,321,868
  5. Step 5: Solve for x
    x = 17,335,053,903,321,868/143,346,494.64
  6. Step 6: Final answer
    x = 120,931,132.27

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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.