Home / 262,350,031.80-393,534,378.90-80,596,918.20

Finding the Fourth Proportional to 262,350,031.80, 393,534,378.90 and 80,596,918.20

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Solution

The fourth proportional to 262,350,031.80, 393,534,378.90 and 80,596,918.20 is: 120,898,243.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,350,031.80 : 393,534,378.90 = 80,596,918.20 : x
  2. Step 2: Convert to fraction form
    262,350,031.80/393,534,378.90 = 80,596,918.20/x
  3. Step 3: Cross multiply
    262,350,031.80x = 393,534,378.90 × 80,596,918.20
  4. Step 4: Simplify right side
    262,350,031.80x = 31,717,658,145,091,104
  5. Step 5: Solve for x
    x = 31,717,658,145,091,104/262,350,031.80
  6. Step 6: Final answer
    x = 120,898,243.95

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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.