Home / 280,762,404.21-421,181,931.24-116,961,854.52

Finding the Fourth Proportional to 280,762,404.21, 421,181,931.24 and 116,961,854.52

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Solution

The fourth proportional to 280,762,404.21, 421,181,931.24 and 116,961,854.52 is: 175,458,747.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,762,404.21 : 421,181,931.24 = 116,961,854.52 : x
  2. Step 2: Convert to fraction form
    280,762,404.21/421,181,931.24 = 116,961,854.52/x
  3. Step 3: Cross multiply
    280,762,404.21x = 421,181,931.24 × 116,961,854.52
  4. Step 4: Simplify right side
    280,762,404.21x = 49,262,219,768,145,520
  5. Step 5: Solve for x
    x = 49,262,219,768,145,520/280,762,404.21
  6. Step 6: Final answer
    x = 175,458,747.43

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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.