Home / 82,452,052.60-123,678,078.90-48,355,847.80

Finding the Fourth Proportional to 82,452,052.60, 123,678,078.90 and 48,355,847.80

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Solution

The fourth proportional to 82,452,052.60, 123,678,078.90 and 48,355,847.80 is: 72,533,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,452,052.60 : 123,678,078.90 = 48,355,847.80 : x
  2. Step 2: Convert to fraction form
    82,452,052.60/123,678,078.90 = 48,355,847.80/x
  3. Step 3: Cross multiply
    82,452,052.60x = 123,678,078.90 × 48,355,847.80
  4. Step 4: Simplify right side
    82,452,052.60x = 5,980,558,359,484,791
  5. Step 5: Solve for x
    x = 5,980,558,359,484,791/82,452,052.60
  6. Step 6: Final answer
    x = 72,533,771.70

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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.