Home / 280,762,404.34-421,181,931.43-116,961,854.65

Finding the Fourth Proportional to 280,762,404.34, 421,181,931.43 and 116,961,854.65

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Solution

The fourth proportional to 280,762,404.34, 421,181,931.43 and 116,961,854.65 is: 175,458,747.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,762,404.34 : 421,181,931.43 = 116,961,854.65 : x
  2. Step 2: Convert to fraction form
    280,762,404.34/421,181,931.43 = 116,961,854.65/x
  3. Step 3: Cross multiply
    280,762,404.34x = 421,181,931.43 × 116,961,854.65
  4. Step 4: Simplify right side
    280,762,404.34x = 49,262,219,843,016,016
  5. Step 5: Solve for x
    x = 49,262,219,843,016,016/280,762,404.34
  6. Step 6: Final answer
    x = 175,458,747.62

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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.