Home / 257,643,717.84-355,549,876.92-140,169,890.88

Finding the Fourth Proportional to 257,643,717.84, 355,549,876.92 and 140,169,890.88

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Solution

The fourth proportional to 257,643,717.84, 355,549,876.92 and 140,169,890.88 is: 193,435,290.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,643,717.84 : 355,549,876.92 = 140,169,890.88 : x
  2. Step 2: Convert to fraction form
    257,643,717.84/355,549,876.92 = 140,169,890.88/x
  3. Step 3: Cross multiply
    257,643,717.84x = 355,549,876.92 × 140,169,890.88
  4. Step 4: Simplify right side
    257,643,717.84x = 49,837,387,450,273,832
  5. Step 5: Solve for x
    x = 49,837,387,450,273,832/257,643,717.84
  6. Step 6: Final answer
    x = 193,435,290.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.