Home / 143,346,512.64-197,833,365.78-87,624,549.96

Finding the Fourth Proportional to 143,346,512.64, 197,833,365.78 and 87,624,549.96

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Solution

The fourth proportional to 143,346,512.64, 197,833,365.78 and 87,624,549.96 is: 120,931,157.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,346,512.64 : 197,833,365.78 = 87,624,549.96 : x
  2. Step 2: Convert to fraction form
    143,346,512.64/197,833,365.78 = 87,624,549.96/x
  3. Step 3: Cross multiply
    143,346,512.64x = 197,833,365.78 × 87,624,549.96
  4. Step 4: Simplify right side
    143,346,512.64x = 17,335,059,643,544,564
  5. Step 5: Solve for x
    x = 17,335,059,643,544,564/143,346,512.64
  6. Step 6: Final answer
    x = 120,931,157.13

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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.