Home / 215,451,050.04-297,329,786.10-127,420,509.24

Finding the Fourth Proportional to 215,451,050.04, 297,329,786.10 and 127,420,509.24

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Solution

The fourth proportional to 215,451,050.04, 297,329,786.10 and 127,420,509.24 is: 175,844,641.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,451,050.04 : 297,329,786.10 = 127,420,509.24 : x
  2. Step 2: Convert to fraction form
    215,451,050.04/297,329,786.10 = 127,420,509.24/x
  3. Step 3: Cross multiply
    215,451,050.04x = 297,329,786.10 × 127,420,509.24
  4. Step 4: Simplify right side
    215,451,050.04x = 37,885,912,757,082,272
  5. Step 5: Solve for x
    x = 37,885,912,757,082,272/215,451,050.04
  6. Step 6: Final answer
    x = 175,844,641.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.