Home / 103,723,896.72-143,147,140.52-59,071,753.32

Finding the Fourth Proportional to 103,723,896.72, 143,147,140.52 and 59,071,753.32

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Solution

The fourth proportional to 103,723,896.72, 143,147,140.52 and 59,071,753.32 is: 81,523,668.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,723,896.72 : 143,147,140.52 = 59,071,753.32 : x
  2. Step 2: Convert to fraction form
    103,723,896.72/143,147,140.52 = 59,071,753.32/x
  3. Step 3: Cross multiply
    103,723,896.72x = 143,147,140.52 × 59,071,753.32
  4. Step 4: Simplify right side
    103,723,896.72x = 8,455,952,573,260,817
  5. Step 5: Solve for x
    x = 8,455,952,573,260,817/103,723,896.72
  6. Step 6: Final answer
    x = 81,523,668.51

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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.