Home / 84,689,582.78-116,871,082.80-47,012,340.44

Finding the Fourth Proportional to 84,689,582.78, 116,871,082.80 and 47,012,340.44

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Solution

The fourth proportional to 84,689,582.78, 116,871,082.80 and 47,012,340.44 is: 64,876,729.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,689,582.78 : 116,871,082.80 = 47,012,340.44 : x
  2. Step 2: Convert to fraction form
    84,689,582.78/116,871,082.80 = 47,012,340.44/x
  3. Step 3: Cross multiply
    84,689,582.78x = 116,871,082.80 × 47,012,340.44
  4. Step 4: Simplify right side
    84,689,582.78x = 5,494,383,132,185,028
  5. Step 5: Solve for x
    x = 5,494,383,132,185,028/84,689,582.78
  6. Step 6: Final answer
    x = 64,876,729.25

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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.