Home / 331,776,500.80-497,664,751.20-101,743,758.40

Finding the Fourth Proportional to 331,776,500.80, 497,664,751.20 and 101,743,758.40

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Solution

The fourth proportional to 331,776,500.80, 497,664,751.20 and 101,743,758.40 is: 152,615,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,500.80 : 497,664,751.20 = 101,743,758.40 : x
  2. Step 2: Convert to fraction form
    331,776,500.80/497,664,751.20 = 101,743,758.40/x
  3. Step 3: Cross multiply
    331,776,500.80x = 497,664,751.20 × 101,743,758.40
  4. Step 4: Simplify right side
    331,776,500.80x = 50,634,282,210,288,912
  5. Step 5: Solve for x
    x = 50,634,282,210,288,912/331,776,500.80
  6. Step 6: Final answer
    x = 152,615,637.60

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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.