Home / 219,235,716.30-328,926,991.71-71,690,080.38

Finding the Fourth Proportional to 219,235,716.30, 328,926,991.71 and 71,690,080.38

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Solution

The fourth proportional to 219,235,716.30, 328,926,991.71 and 71,690,080.38 is: 107,559,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,235,716.30 : 328,926,991.71 = 71,690,080.38 : x
  2. Step 2: Convert to fraction form
    219,235,716.30/328,926,991.71 = 71,690,080.38/x
  3. Step 3: Cross multiply
    219,235,716.30x = 328,926,991.71 × 71,690,080.38
  4. Step 4: Simplify right side
    219,235,716.30x = 23,580,802,474,841,492
  5. Step 5: Solve for x
    x = 23,580,802,474,841,492/219,235,716.30
  6. Step 6: Final answer
    x = 107,559,128.01

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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.