Home / 145,015,124.72-217,520,555.77-35,840,305.14

Finding the Fourth Proportional to 145,015,124.72, 217,520,555.77 and 35,840,305.14

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Solution

The fourth proportional to 145,015,124.72, 217,520,555.77 and 35,840,305.14 is: 53,759,930.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,015,124.72 : 217,520,555.77 = 35,840,305.14 : x
  2. Step 2: Convert to fraction form
    145,015,124.72/217,520,555.77 = 35,840,305.14/x
  3. Step 3: Cross multiply
    145,015,124.72x = 217,520,555.77 × 35,840,305.14
  4. Step 4: Simplify right side
    145,015,124.72x = 7,796,003,093,019,188
  5. Step 5: Solve for x
    x = 7,796,003,093,019,188/145,015,124.72
  6. Step 6: Final answer
    x = 53,759,930.96

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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.