Home / 159,936,601.48-239,993,426.50-78,056,158.01

Finding the Fourth Proportional to 159,936,601.48, 239,993,426.50 and 78,056,158.01

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Solution

The fourth proportional to 159,936,601.48, 239,993,426.50 and 78,056,158.01 is: 117,127,440.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,936,601.48 : 239,993,426.50 = 78,056,158.01 : x
  2. Step 2: Convert to fraction form
    159,936,601.48/239,993,426.50 = 78,056,158.01/x
  3. Step 3: Cross multiply
    159,936,601.48x = 239,993,426.50 × 78,056,158.01
  4. Step 4: Simplify right side
    159,936,601.48x = 18,732,964,820,189,644
  5. Step 5: Solve for x
    x = 18,732,964,820,189,644/159,936,601.48
  6. Step 6: Final answer
    x = 117,127,440.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.