Home / 266,129,567.64-399,208,449.41-82,023,495.37

Finding the Fourth Proportional to 266,129,567.64, 399,208,449.41 and 82,023,495.37

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Solution

The fourth proportional to 266,129,567.64, 399,208,449.41 and 82,023,495.37 is: 123,039,588.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,129,567.64 : 399,208,449.41 = 82,023,495.37 : x
  2. Step 2: Convert to fraction form
    266,129,567.64/399,208,449.41 = 82,023,495.37/x
  3. Step 3: Cross multiply
    266,129,567.64x = 399,208,449.41 × 82,023,495.37
  4. Step 4: Simplify right side
    266,129,567.64x = 32,744,472,402,212,936
  5. Step 5: Solve for x
    x = 32,744,472,402,212,936/266,129,567.64
  6. Step 6: Final answer
    x = 123,039,588.17

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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.