Home / 143,588,484.15-215,387,107.52-56,146,508.79

Finding the Fourth Proportional to 143,588,484.15, 215,387,107.52 and 56,146,508.79

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Solution

The fourth proportional to 143,588,484.15, 215,387,107.52 and 56,146,508.79 is: 84,221,476.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,588,484.15 : 215,387,107.52 = 56,146,508.79 : x
  2. Step 2: Convert to fraction form
    143,588,484.15/215,387,107.52 = 56,146,508.79/x
  3. Step 3: Cross multiply
    143,588,484.15x = 215,387,107.52 × 56,146,508.79
  4. Step 4: Simplify right side
    143,588,484.15x = 12,093,234,125,343,622
  5. Step 5: Solve for x
    x = 12,093,234,125,343,622/143,588,484.15
  6. Step 6: Final answer
    x = 84,221,476.37

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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.