Home / 309,684,401.13-427,366,251.00-168,555,285.16

Finding the Fourth Proportional to 309,684,401.13, 427,366,251.00 and 168,555,285.16

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Solution

The fourth proportional to 309,684,401.13, 427,366,251.00 and 168,555,285.16 is: 232,607,260.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,684,401.13 : 427,366,251.00 = 168,555,285.16 : x
  2. Step 2: Convert to fraction form
    309,684,401.13/427,366,251.00 = 168,555,285.16/x
  3. Step 3: Cross multiply
    309,684,401.13x = 427,366,251.00 × 168,555,285.16
  4. Step 4: Simplify right side
    309,684,401.13x = 72,034,840,302,592,240
  5. Step 5: Solve for x
    x = 72,034,840,302,592,240/309,684,401.13
  6. Step 6: Final answer
    x = 232,607,260.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.