Home / 317,931,078.92-477,081,687.18-133,685,221.64

Finding the Fourth Proportional to 317,931,078.92, 477,081,687.18 and 133,685,221.64

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Solution

The fourth proportional to 317,931,078.92, 477,081,687.18 and 133,685,221.64 is: 200,605,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,931,078.92 : 477,081,687.18 = 133,685,221.64 : x
  2. Step 2: Convert to fraction form
    317,931,078.92/477,081,687.18 = 133,685,221.64/x
  3. Step 3: Cross multiply
    317,931,078.92x = 477,081,687.18 × 133,685,221.64
  4. Step 4: Simplify right side
    317,931,078.92x = 63,778,771,091,043,448
  5. Step 5: Solve for x
    x = 63,778,771,091,043,448/317,931,078.92
  6. Step 6: Final answer
    x = 200,605,651.10

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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.