Home / 165,923,123.40-248,884,685.10-43,091,361.90

Finding the Fourth Proportional to 165,923,123.40, 248,884,685.10 and 43,091,361.90

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Solution

The fourth proportional to 165,923,123.40, 248,884,685.10 and 43,091,361.90 is: 64,637,042.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,923,123.40 : 248,884,685.10 = 43,091,361.90 : x
  2. Step 2: Convert to fraction form
    165,923,123.40/248,884,685.10 = 43,091,361.90/x
  3. Step 3: Cross multiply
    165,923,123.40x = 248,884,685.10 × 43,091,361.90
  4. Step 4: Simplify right side
    165,923,123.40x = 10,724,780,037,011,638
  5. Step 5: Solve for x
    x = 10,724,780,037,011,638/165,923,123.40
  6. Step 6: Final answer
    x = 64,637,042.85

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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.