Home / 82,795,874.40-124,193,811.60-28,270,027.80

Finding the Fourth Proportional to 82,795,874.40, 124,193,811.60 and 28,270,027.80

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Solution

The fourth proportional to 82,795,874.40, 124,193,811.60 and 28,270,027.80 is: 42,405,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,795,874.40 : 124,193,811.60 = 28,270,027.80 : x
  2. Step 2: Convert to fraction form
    82,795,874.40/124,193,811.60 = 28,270,027.80/x
  3. Step 3: Cross multiply
    82,795,874.40x = 124,193,811.60 × 28,270,027.80
  4. Step 4: Simplify right side
    82,795,874.40x = 3,510,962,506,519,962.50
  5. Step 5: Solve for x
    x = 3,510,962,506,519,962.50/82,795,874.40
  6. Step 6: Final answer
    x = 42,405,041.70

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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.