Home / 84,689,580.78-116,871,080.04-47,012,338.44

Finding the Fourth Proportional to 84,689,580.78, 116,871,080.04 and 47,012,338.44

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Solution

The fourth proportional to 84,689,580.78, 116,871,080.04 and 47,012,338.44 is: 64,876,726.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,689,580.78 : 116,871,080.04 = 47,012,338.44 : x
  2. Step 2: Convert to fraction form
    84,689,580.78/116,871,080.04 = 47,012,338.44/x
  3. Step 3: Cross multiply
    84,689,580.78x = 116,871,080.04 × 47,012,338.44
  4. Step 4: Simplify right side
    84,689,580.78x = 5,494,382,768,688,809
  5. Step 5: Solve for x
    x = 5,494,382,768,688,809/84,689,580.78
  6. Step 6: Final answer
    x = 64,876,726.49

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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.