Home / 262,460,766.80-393,689,718.12-107,013,964.88

Finding the Fourth Proportional to 262,460,766.80, 393,689,718.12 and 107,013,964.88

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Solution

The fourth proportional to 262,460,766.80, 393,689,718.12 and 107,013,964.88 is: 160,520,363.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,460,766.80 : 393,689,718.12 = 107,013,964.88 : x
  2. Step 2: Convert to fraction form
    262,460,766.80/393,689,718.12 = 107,013,964.88/x
  3. Step 3: Cross multiply
    262,460,766.80x = 393,689,718.12 × 107,013,964.88
  4. Step 4: Simplify right side
    262,460,766.80x = 42,130,297,668,510,776
  5. Step 5: Solve for x
    x = 42,130,297,668,510,776/262,460,766.80
  6. Step 6: Final answer
    x = 160,520,363.41

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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.