Home / 135,448,249.06-186,915,404.40-79,697,280.50

Finding the Fourth Proportional to 135,448,249.06, 186,915,404.40 and 79,697,280.50

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Solution

The fourth proportional to 135,448,249.06, 186,915,404.40 and 79,697,280.50 is: 109,980,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,448,249.06 : 186,915,404.40 = 79,697,280.50 : x
  2. Step 2: Convert to fraction form
    135,448,249.06/186,915,404.40 = 79,697,280.50/x
  3. Step 3: Cross multiply
    135,448,249.06x = 186,915,404.40 × 79,697,280.50
  4. Step 4: Simplify right side
    135,448,249.06x = 14,896,649,414,237,734
  5. Step 5: Solve for x
    x = 14,896,649,414,237,734/135,448,249.06
  6. Step 6: Final answer
    x = 109,980,376.40

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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.