Home / 215,539,045.10-323,512,967.10-133,409,488.76

Finding the Fourth Proportional to 215,539,045.10, 323,512,967.10 and 133,409,488.76

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Solution

The fourth proportional to 215,539,045.10, 323,512,967.10 and 133,409,488.76 is: 200,240,747.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,539,045.10 : 323,512,967.10 = 133,409,488.76 : x
  2. Step 2: Convert to fraction form
    215,539,045.10/323,512,967.10 = 133,409,488.76/x
  3. Step 3: Cross multiply
    215,539,045.10x = 323,512,967.10 × 133,409,488.76
  4. Step 4: Simplify right side
    215,539,045.10x = 43,159,699,548,041,704
  5. Step 5: Solve for x
    x = 43,159,699,548,041,704/215,539,045.10
  6. Step 6: Final answer
    x = 200,240,747.69

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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.