Home / 118,952,361.90-178,465,073.45-56,783,007.81

Finding the Fourth Proportional to 118,952,361.90, 178,465,073.45 and 56,783,007.81

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Solution

The fourth proportional to 118,952,361.90, 178,465,073.45 and 56,783,007.81 is: 85,191,949.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,952,361.90 : 178,465,073.45 = 56,783,007.81 : x
  2. Step 2: Convert to fraction form
    118,952,361.90/178,465,073.45 = 56,783,007.81/x
  3. Step 3: Cross multiply
    118,952,361.90x = 178,465,073.45 × 56,783,007.81
  4. Step 4: Simplify right side
    118,952,361.90x = 10,133,783,659,239,658
  5. Step 5: Solve for x
    x = 10,133,783,659,239,658/118,952,361.90
  6. Step 6: Final answer
    x = 85,191,949.93

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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.