Home / 317,530,072.40-476,210,078.01-87,444,462.92

Finding the Fourth Proportional to 317,530,072.40, 476,210,078.01 and 87,444,462.92

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Solution

The fourth proportional to 317,530,072.40, 476,210,078.01 and 87,444,462.92 is: 131,143,277.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,530,072.40 : 476,210,078.01 = 87,444,462.92 : x
  2. Step 2: Convert to fraction form
    317,530,072.40/476,210,078.01 = 87,444,462.92/x
  3. Step 3: Cross multiply
    317,530,072.40x = 476,210,078.01 × 87,444,462.92
  4. Step 4: Simplify right side
    317,530,072.40x = 41,641,934,506,294,704
  5. Step 5: Solve for x
    x = 41,641,934,506,294,704/317,530,072.40
  6. Step 6: Final answer
    x = 131,143,277.84

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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.