Home / 215,536,483.96-323,509,123.98-133,406,928.12

Finding the Fourth Proportional to 215,536,483.96, 323,509,123.98 and 133,406,928.12

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Solution

The fourth proportional to 215,536,483.96, 323,509,123.98 and 133,406,928.12 is: 200,236,904.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,536,483.96 : 323,509,123.98 = 133,406,928.12 : x
  2. Step 2: Convert to fraction form
    215,536,483.96/323,509,123.98 = 133,406,928.12/x
  3. Step 3: Cross multiply
    215,536,483.96x = 323,509,123.98 × 133,406,928.12
  4. Step 4: Simplify right side
    215,536,483.96x = 43,158,358,448,964,032
  5. Step 5: Solve for x
    x = 43,158,358,448,964,032/215,536,483.96
  6. Step 6: Final answer
    x = 200,236,904.94

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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.