Home / 149,015,627.14-205,648,337.28-82,940,357.47

Finding the Fourth Proportional to 149,015,627.14, 205,648,337.28 and 82,940,357.47

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Solution

The fourth proportional to 149,015,627.14, 205,648,337.28 and 82,940,357.47 is: 114,461,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,015,627.14 : 205,648,337.28 = 82,940,357.47 : x
  2. Step 2: Convert to fraction form
    149,015,627.14/205,648,337.28 = 82,940,357.47/x
  3. Step 3: Cross multiply
    149,015,627.14x = 205,648,337.28 × 82,940,357.47
  4. Step 4: Simplify right side
    149,015,627.14x = 17,056,546,607,114,328
  5. Step 5: Solve for x
    x = 17,056,546,607,114,328/149,015,627.14
  6. Step 6: Final answer
    x = 114,461,462.43

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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.