Home / 257,815,930.80-386,157,025.80-223,803,706.80

Finding the Fourth Proportional to 257,815,930.80, 386,157,025.80 and 223,803,706.80

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Solution

The fourth proportional to 257,815,930.80, 386,157,025.80 and 223,803,706.80 is: 335,213,473.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,815,930.80 : 386,157,025.80 = 223,803,706.80 : x
  2. Step 2: Convert to fraction form
    257,815,930.80/386,157,025.80 = 223,803,706.80/x
  3. Step 3: Cross multiply
    257,815,930.80x = 386,157,025.80 × 223,803,706.80
  4. Step 4: Simplify right side
    257,815,930.80x = 86,423,373,780,903,248
  5. Step 5: Solve for x
    x = 86,423,373,780,903,248/257,815,930.80
  6. Step 6: Final answer
    x = 335,213,473.86

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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.