Home / 70,885,789.88-106,346,618.28-19,767,814.16

Finding the Fourth Proportional to 70,885,789.88, 106,346,618.28 and 19,767,814.16

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Solution

The fourth proportional to 70,885,789.88, 106,346,618.28 and 19,767,814.16 is: 29,656,722.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,885,789.88 : 106,346,618.28 = 19,767,814.16 : x
  2. Step 2: Convert to fraction form
    70,885,789.88/106,346,618.28 = 19,767,814.16/x
  3. Step 3: Cross multiply
    70,885,789.88x = 106,346,618.28 × 19,767,814.16
  4. Step 4: Simplify right side
    70,885,789.88x = 2,102,240,186,171,766
  5. Step 5: Solve for x
    x = 2,102,240,186,171,766/70,885,789.88
  6. Step 6: Final answer
    x = 29,656,722.31

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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.