Home / 317,667,880.78-476,502,194.58-99,319,367.32

Finding the Fourth Proportional to 317,667,880.78, 476,502,194.58 and 99,319,367.32

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Solution

The fourth proportional to 317,667,880.78, 476,502,194.58 and 99,319,367.32 is: 148,979,167.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,667,880.78 : 476,502,194.58 = 99,319,367.32 : x
  2. Step 2: Convert to fraction form
    317,667,880.78/476,502,194.58 = 99,319,367.32/x
  3. Step 3: Cross multiply
    317,667,880.78x = 476,502,194.58 × 99,319,367.32
  4. Step 4: Simplify right side
    317,667,880.78x = 47,325,896,492,277,128
  5. Step 5: Solve for x
    x = 47,325,896,492,277,128/317,667,880.78
  6. Step 6: Final answer
    x = 148,979,167.73

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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.