Home / 114,474,112-157,959,936.42-77,385,090.70

Finding the Fourth Proportional to 114,474,112, 157,959,936.42 and 77,385,090.70

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Solution

The fourth proportional to 114,474,112, 157,959,936.42 and 77,385,090.70 is: 106,781,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,474,112 : 157,959,936.42 = 77,385,090.70 : x
  2. Step 2: Convert to fraction form
    114,474,112/157,959,936.42 = 77,385,090.70/x
  3. Step 3: Cross multiply
    114,474,112x = 157,959,936.42 × 77,385,090.70
  4. Step 4: Simplify right side
    114,474,112x = 12,223,744,006,827,932
  5. Step 5: Solve for x
    x = 12,223,744,006,827,932/114,474,112
  6. Step 6: Final answer
    x = 106,781,732.51

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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.