Home / 149,032,361.32-205,664,668.51-82,951,441.45

Finding the Fourth Proportional to 149,032,361.32, 205,664,668.51 and 82,951,441.45

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Solution

The fourth proportional to 149,032,361.32, 205,664,668.51 and 82,951,441.45 is: 114,472,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,032,361.32 : 205,664,668.51 = 82,951,441.45 : x
  2. Step 2: Convert to fraction form
    149,032,361.32/205,664,668.51 = 82,951,441.45/x
  3. Step 3: Cross multiply
    149,032,361.32x = 205,664,668.51 × 82,951,441.45
  4. Step 4: Simplify right side
    149,032,361.32x = 17,060,180,708,240,924
  5. Step 5: Solve for x
    x = 17,060,180,708,240,924/149,032,361.32
  6. Step 6: Final answer
    x = 114,472,994.70

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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.