Home / 217,734,005.10-326,601,007.65-125,901,000.30

Finding the Fourth Proportional to 217,734,005.10, 326,601,007.65 and 125,901,000.30

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Solution

The fourth proportional to 217,734,005.10, 326,601,007.65 and 125,901,000.30 is: 188,851,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,734,005.10 : 326,601,007.65 = 125,901,000.30 : x
  2. Step 2: Convert to fraction form
    217,734,005.10/326,601,007.65 = 125,901,000.30/x
  3. Step 3: Cross multiply
    217,734,005.10x = 326,601,007.65 × 125,901,000.30
  4. Step 4: Simplify right side
    217,734,005.10x = 41,119,393,562,122,952
  5. Step 5: Solve for x
    x = 41,119,393,562,122,952/217,734,005.10
  6. Step 6: Final answer
    x = 188,851,500.45

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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.