Home / 84,128,373.38-116,116,526.44-49,332,273.90

Finding the Fourth Proportional to 84,128,373.38, 116,116,526.44 and 49,332,273.90

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Solution

The fourth proportional to 84,128,373.38, 116,116,526.44 and 49,332,273.90 is: 68,089,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,128,373.38 : 116,116,526.44 = 49,332,273.90 : x
  2. Step 2: Convert to fraction form
    84,128,373.38/116,116,526.44 = 49,332,273.90/x
  3. Step 3: Cross multiply
    84,128,373.38x = 116,116,526.44 × 49,332,273.90
  4. Step 4: Simplify right side
    84,128,373.38x = 5,728,292,286,654,672
  5. Step 5: Solve for x
    x = 5,728,292,286,654,672/84,128,373.38
  6. Step 6: Final answer
    x = 68,089,897.10

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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.