Home / 123,046,278.60-184,569,417.90-103,040,185.80

Finding the Fourth Proportional to 123,046,278.60, 184,569,417.90 and 103,040,185.80

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Solution

The fourth proportional to 123,046,278.60, 184,569,417.90 and 103,040,185.80 is: 154,560,278.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,046,278.60 : 184,569,417.90 = 103,040,185.80 : x
  2. Step 2: Convert to fraction form
    123,046,278.60/184,569,417.90 = 103,040,185.80/x
  3. Step 3: Cross multiply
    123,046,278.60x = 184,569,417.90 × 103,040,185.80
  4. Step 4: Simplify right side
    123,046,278.60x = 19,018,067,113,413,844
  5. Step 5: Solve for x
    x = 19,018,067,113,413,844/123,046,278.60
  6. Step 6: Final answer
    x = 154,560,278.70

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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.