Home / 218,439,614.35-301,446,656.21-117,968,043.08

Finding the Fourth Proportional to 218,439,614.35, 301,446,656.21 and 117,968,043.08

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Solution

The fourth proportional to 218,439,614.35, 301,446,656.21 and 117,968,043.08 is: 162,795,893.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,439,614.35 : 301,446,656.21 = 117,968,043.08 : x
  2. Step 2: Convert to fraction form
    218,439,614.35/301,446,656.21 = 117,968,043.08/x
  3. Step 3: Cross multiply
    218,439,614.35x = 301,446,656.21 × 117,968,043.08
  4. Step 4: Simplify right side
    218,439,614.35x = 35,561,072,124,006,156
  5. Step 5: Solve for x
    x = 35,561,072,124,006,156/218,439,614.35
  6. Step 6: Final answer
    x = 162,795,893.18

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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.