Home / 81,869,424.45-112,989,712.80-46,595,805.84

Finding the Fourth Proportional to 81,869,424.45, 112,989,712.80 and 46,595,805.84

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Solution

The fourth proportional to 81,869,424.45, 112,989,712.80 and 46,595,805.84 is: 64,307,850.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,869,424.45 : 112,989,712.80 = 46,595,805.84 : x
  2. Step 2: Convert to fraction form
    81,869,424.45/112,989,712.80 = 46,595,805.84/x
  3. Step 3: Cross multiply
    81,869,424.45x = 112,989,712.80 × 46,595,805.84
  4. Step 4: Simplify right side
    81,869,424.45x = 5,264,846,719,546,163
  5. Step 5: Solve for x
    x = 5,264,846,719,546,163/81,869,424.45
  6. Step 6: Final answer
    x = 64,307,850.64

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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.