Home / 217,778,124.40-326,667,186.60-168,460,399.60

Finding the Fourth Proportional to 217,778,124.40, 326,667,186.60 and 168,460,399.60

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Solution

The fourth proportional to 217,778,124.40, 326,667,186.60 and 168,460,399.60 is: 252,690,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,778,124.40 : 326,667,186.60 = 168,460,399.60 : x
  2. Step 2: Convert to fraction form
    217,778,124.40/326,667,186.60 = 168,460,399.60/x
  3. Step 3: Cross multiply
    217,778,124.40x = 326,667,186.60 × 168,460,399.60
  4. Step 4: Simplify right side
    217,778,124.40x = 55,030,484,790,843,768
  5. Step 5: Solve for x
    x = 55,030,484,790,843,768/217,778,124.40
  6. Step 6: Final answer
    x = 252,690,599.40

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1.5x scale

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.