Home / 143,341,983.38-197,828,730.60-81,471,622.16

Finding the Fourth Proportional to 143,341,983.38, 197,828,730.60 and 81,471,622.16

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Solution

The fourth proportional to 143,341,983.38, 197,828,730.60 and 81,471,622.16 is: 112,440,383.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,341,983.38 : 197,828,730.60 = 81,471,622.16 : x
  2. Step 2: Convert to fraction form
    143,341,983.38/197,828,730.60 = 81,471,622.16/x
  3. Step 3: Cross multiply
    143,341,983.38x = 197,828,730.60 × 81,471,622.16
  4. Step 4: Simplify right side
    143,341,983.38x = 16,117,427,591,835,628
  5. Step 5: Solve for x
    x = 16,117,427,591,835,628/143,341,983.38
  6. Step 6: Final answer
    x = 112,440,383.56

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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.