Home / 560,081,812.20-840,115,960.44-145,521,950.82

Finding the Fourth Proportional to 560,081,812.20, 840,115,960.44 and 145,521,950.82

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Solution

The fourth proportional to 560,081,812.20, 840,115,960.44 and 145,521,950.82 is: 218,281,170.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,081,812.20 : 840,115,960.44 = 145,521,950.82 : x
  2. Step 2: Convert to fraction form
    560,081,812.20/840,115,960.44 = 145,521,950.82/x
  3. Step 3: Cross multiply
    560,081,812.20x = 840,115,960.44 × 145,521,950.82
  4. Step 4: Simplify right side
    560,081,812.20x = 122,255,313,478,246,752
  5. Step 5: Solve for x
    x = 122,255,313,478,246,752/560,081,812.20
  6. Step 6: Final answer
    x = 218,281,170.38

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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.