Home / 142,954,047.36-197,319,713.04-123,583,022.64

Finding the Fourth Proportional to 142,954,047.36, 197,319,713.04 and 123,583,022.64

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Solution

The fourth proportional to 142,954,047.36, 197,319,713.04 and 123,583,022.64 is: 170,581,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,954,047.36 : 197,319,713.04 = 123,583,022.64 : x
  2. Step 2: Convert to fraction form
    142,954,047.36/197,319,713.04 = 123,583,022.64/x
  3. Step 3: Cross multiply
    142,954,047.36x = 197,319,713.04 × 123,583,022.64
  4. Step 4: Simplify right side
    142,954,047.36x = 24,385,366,563,940,624
  5. Step 5: Solve for x
    x = 24,385,366,563,940,624/142,954,047.36
  6. Step 6: Final answer
    x = 170,581,854.90

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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.