Home / 133,297,798.32-183,906,410.06-77,531,380.81

Finding the Fourth Proportional to 133,297,798.32, 183,906,410.06 and 77,531,380.81

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Solution

The fourth proportional to 133,297,798.32, 183,906,410.06 and 77,531,380.81 is: 106,967,392.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,297,798.32 : 183,906,410.06 = 77,531,380.81 : x
  2. Step 2: Convert to fraction form
    133,297,798.32/183,906,410.06 = 77,531,380.81/x
  3. Step 3: Cross multiply
    133,297,798.32x = 183,906,410.06 × 77,531,380.81
  4. Step 4: Simplify right side
    133,297,798.32x = 14,258,517,911,761,876
  5. Step 5: Solve for x
    x = 14,258,517,911,761,876/133,297,798.32
  6. Step 6: Final answer
    x = 106,967,392.50

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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.