Home / 262,488,689.40-393,695,709.30-89,973,463.80

Finding the Fourth Proportional to 262,488,689.40, 393,695,709.30 and 89,973,463.80

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Solution

The fourth proportional to 262,488,689.40, 393,695,709.30 and 89,973,463.80 is: 134,947,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,488,689.40 : 393,695,709.30 = 89,973,463.80 : x
  2. Step 2: Convert to fraction form
    262,488,689.40/393,695,709.30 = 89,973,463.80/x
  3. Step 3: Cross multiply
    262,488,689.40x = 393,695,709.30 × 89,973,463.80
  4. Step 4: Simplify right side
    262,488,689.40x = 35,422,166,648,918,872
  5. Step 5: Solve for x
    x = 35,422,166,648,918,872/262,488,689.40
  6. Step 6: Final answer
    x = 134,947,401.85

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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.