Home / 215,536,132.81-323,508,597.42-133,406,577.28

Finding the Fourth Proportional to 215,536,132.81, 323,508,597.42 and 133,406,577.28

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Solution

The fourth proportional to 215,536,132.81, 323,508,597.42 and 133,406,577.28 is: 200,236,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,536,132.81 : 323,508,597.42 = 133,406,577.28 : x
  2. Step 2: Convert to fraction form
    215,536,132.81/323,508,597.42 = 133,406,577.28/x
  3. Step 3: Cross multiply
    215,536,132.81x = 323,508,597.42 × 133,406,577.28
  4. Step 4: Simplify right side
    215,536,132.81x = 43,158,174,702,455,640
  5. Step 5: Solve for x
    x = 43,158,174,702,455,640/215,536,132.81
  6. Step 6: Final answer
    x = 200,236,378.65

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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.