Home / 378,108,534.80-567,162,802.20-90,894,198.80

Finding the Fourth Proportional to 378,108,534.80, 567,162,802.20 and 90,894,198.80

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Solution

The fourth proportional to 378,108,534.80, 567,162,802.20 and 90,894,198.80 is: 136,341,298.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,108,534.80 : 567,162,802.20 = 90,894,198.80 : x
  2. Step 2: Convert to fraction form
    378,108,534.80/567,162,802.20 = 90,894,198.80/x
  3. Step 3: Cross multiply
    378,108,534.80x = 567,162,802.20 × 90,894,198.80
  4. Step 4: Simplify right side
    378,108,534.80x = 51,551,808,495,131,880
  5. Step 5: Solve for x
    x = 51,551,808,495,131,880/378,108,534.80
  6. Step 6: Final answer
    x = 136,341,298.20

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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.