Home / 114,481,859.10-157,970,592.27-77,392,820.94

Finding the Fourth Proportional to 114,481,859.10, 157,970,592.27 and 77,392,820.94

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Solution

The fourth proportional to 114,481,859.10, 157,970,592.27 and 77,392,820.94 is: 106,792,376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,481,859.10 : 157,970,592.27 = 77,392,820.94 : x
  2. Step 2: Convert to fraction form
    114,481,859.10/157,970,592.27 = 77,392,820.94/x
  3. Step 3: Cross multiply
    114,481,859.10x = 157,970,592.27 × 77,392,820.94
  4. Step 4: Simplify right side
    114,481,859.10x = 12,225,789,761,337,858
  5. Step 5: Solve for x
    x = 12,225,789,761,337,858/114,481,859.10
  6. Step 6: Final answer
    x = 106,792,376.17

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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.