Home / 84,902,367.36-127,223,648.18-57,133,447.86

Finding the Fourth Proportional to 84,902,367.36, 127,223,648.18 and 57,133,447.86

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Solution

The fourth proportional to 84,902,367.36, 127,223,648.18 and 57,133,447.86 is: 85,612,756.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,902,367.36 : 127,223,648.18 = 57,133,447.86 : x
  2. Step 2: Convert to fraction form
    84,902,367.36/127,223,648.18 = 57,133,447.86/x
  3. Step 3: Cross multiply
    84,902,367.36x = 127,223,648.18 × 57,133,447.86
  4. Step 4: Simplify right side
    84,902,367.36x = 7,268,725,669,851,014
  5. Step 5: Solve for x
    x = 7,268,725,669,851,014/84,902,367.36
  6. Step 6: Final answer
    x = 85,612,756.11

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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.