Home / 288,689,265.48-433,012,138.38-91,944,743.16

Finding the Fourth Proportional to 288,689,265.48, 433,012,138.38 and 91,944,743.16

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Solution

The fourth proportional to 288,689,265.48, 433,012,138.38 and 91,944,743.16 is: 137,910,184.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,689,265.48 : 433,012,138.38 = 91,944,743.16 : x
  2. Step 2: Convert to fraction form
    288,689,265.48/433,012,138.38 = 91,944,743.16/x
  3. Step 3: Cross multiply
    288,689,265.48x = 433,012,138.38 × 91,944,743.16
  4. Step 4: Simplify right side
    288,689,265.48x = 39,813,189,848,511,480
  5. Step 5: Solve for x
    x = 39,813,189,848,511,480/288,689,265.48
  6. Step 6: Final answer
    x = 137,910,184.44

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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.