Home / 217,510,339.80-326,265,509.70-131,514,000.60

Finding the Fourth Proportional to 217,510,339.80, 326,265,509.70 and 131,514,000.60

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Solution

The fourth proportional to 217,510,339.80, 326,265,509.70 and 131,514,000.60 is: 197,271,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,510,339.80 : 326,265,509.70 = 131,514,000.60 : x
  2. Step 2: Convert to fraction form
    217,510,339.80/326,265,509.70 = 131,514,000.60/x
  3. Step 3: Cross multiply
    217,510,339.80x = 326,265,509.70 × 131,514,000.60
  4. Step 4: Simplify right side
    217,510,339.80x = 42,908,482,438,445,104
  5. Step 5: Solve for x
    x = 42,908,482,438,445,104/217,510,339.80
  6. Step 6: Final answer
    x = 197,271,000.90

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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.