Home / 218,761,710.20-328,117,682.10-57,219,975.80

Finding the Fourth Proportional to 218,761,710.20, 328,117,682.10 and 57,219,975.80

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Solution

The fourth proportional to 218,761,710.20, 328,117,682.10 and 57,219,975.80 is: 85,823,455.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,761,710.20 : 328,117,682.10 = 57,219,975.80 : x
  2. Step 2: Convert to fraction form
    218,761,710.20/328,117,682.10 = 57,219,975.80/x
  3. Step 3: Cross multiply
    218,761,710.20x = 328,117,682.10 × 57,219,975.80
  4. Step 4: Simplify right side
    218,761,710.20x = 18,774,885,829,314,092
  5. Step 5: Solve for x
    x = 18,774,885,829,314,092/218,761,710.20
  6. Step 6: Final answer
    x = 85,823,455.17

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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.