Home / 78,967,301.68-108,972,829.44-43,686,409.84

Finding the Fourth Proportional to 78,967,301.68, 108,972,829.44 and 43,686,409.84

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Solution

The fourth proportional to 78,967,301.68, 108,972,829.44 and 43,686,409.84 is: 60,286,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,967,301.68 : 108,972,829.44 = 43,686,409.84 : x
  2. Step 2: Convert to fraction form
    78,967,301.68/108,972,829.44 = 43,686,409.84/x
  3. Step 3: Cross multiply
    78,967,301.68x = 108,972,829.44 × 43,686,409.84
  4. Step 4: Simplify right side
    78,967,301.68x = 4,760,631,688,340,258
  5. Step 5: Solve for x
    x = 4,760,631,688,340,258/78,967,301.68
  6. Step 6: Final answer
    x = 60,286,113.20

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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.