Home / 315,237,048.10-472,855,583.08-229,520,929.21

Finding the Fourth Proportional to 315,237,048.10, 472,855,583.08 and 229,520,929.21

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Solution

The fourth proportional to 315,237,048.10, 472,855,583.08 and 229,520,929.21 is: 344,281,401.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,237,048.10 : 472,855,583.08 = 229,520,929.21 : x
  2. Step 2: Convert to fraction form
    315,237,048.10/472,855,583.08 = 229,520,929.21/x
  3. Step 3: Cross multiply
    315,237,048.10x = 472,855,583.08 × 229,520,929.21
  4. Step 4: Simplify right side
    315,237,048.10x = 108,530,252,810,657,952
  5. Step 5: Solve for x
    x = 108,530,252,810,657,952/315,237,048.10
  6. Step 6: Final answer
    x = 344,281,401.77

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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.