Home / 261,179,756.27-391,339,164.36-151,697,595.86

Finding the Fourth Proportional to 261,179,756.27, 391,339,164.36 and 151,697,595.86

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Solution

The fourth proportional to 261,179,756.27, 391,339,164.36 and 151,697,595.86 is: 227,296,369.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,179,756.27 : 391,339,164.36 = 151,697,595.86 : x
  2. Step 2: Convert to fraction form
    261,179,756.27/391,339,164.36 = 151,697,595.86/x
  3. Step 3: Cross multiply
    261,179,756.27x = 391,339,164.36 × 151,697,595.86
  4. Step 4: Simplify right side
    261,179,756.27x = 59,365,210,400,630,992
  5. Step 5: Solve for x
    x = 59,365,210,400,630,992/261,179,756.27
  6. Step 6: Final answer
    x = 227,296,369.55

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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.