Home / 74,709,726-103,100,996.64-42,114,678

Finding the Fourth Proportional to 74,709,726, 103,100,996.64 and 42,114,678

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Solution

The fourth proportional to 74,709,726, 103,100,996.64 and 42,114,678 is: 58,119,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,709,726 : 103,100,996.64 = 42,114,678 : x
  2. Step 2: Convert to fraction form
    74,709,726/103,100,996.64 = 42,114,678/x
  3. Step 3: Cross multiply
    74,709,726x = 103,100,996.64 × 42,114,678
  4. Step 4: Simplify right side
    74,709,726x = 4,342,065,274,972,682
  5. Step 5: Solve for x
    x = 4,342,065,274,972,682/74,709,726
  6. Step 6: Final answer
    x = 58,119,143.35

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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.