Home / 221,283,008.70-331,924,513.05-167,535,296.70

Finding the Fourth Proportional to 221,283,008.70, 331,924,513.05 and 167,535,296.70

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Solution

The fourth proportional to 221,283,008.70, 331,924,513.05 and 167,535,296.70 is: 251,302,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,283,008.70 : 331,924,513.05 = 167,535,296.70 : x
  2. Step 2: Convert to fraction form
    221,283,008.70/331,924,513.05 = 167,535,296.70/x
  3. Step 3: Cross multiply
    221,283,008.70x = 331,924,513.05 × 167,535,296.70
  4. Step 4: Simplify right side
    221,283,008.70x = 55,609,071,775,834,768
  5. Step 5: Solve for x
    x = 55,609,071,775,834,768/221,283,008.70
  6. Step 6: Final answer
    x = 251,302,945.05

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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.