Home / 145,667,767.86-201,019,173.42-79,586,846.82

Finding the Fourth Proportional to 145,667,767.86, 201,019,173.42 and 79,586,846.82

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Solution

The fourth proportional to 145,667,767.86, 201,019,173.42 and 79,586,846.82 is: 109,828,566.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,667,767.86 : 201,019,173.42 = 79,586,846.82 : x
  2. Step 2: Convert to fraction form
    145,667,767.86/201,019,173.42 = 79,586,846.82/x
  3. Step 3: Cross multiply
    145,667,767.86x = 201,019,173.42 × 79,586,846.82
  4. Step 4: Simplify right side
    145,667,767.86x = 15,998,482,162,860,554
  5. Step 5: Solve for x
    x = 15,998,482,162,860,554/145,667,767.86
  6. Step 6: Final answer
    x = 109,828,566.73

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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.