Home / 202,286,469.36-279,155,328.70-109,466,978.12

Finding the Fourth Proportional to 202,286,469.36, 279,155,328.70 and 109,466,978.12

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Solution

The fourth proportional to 202,286,469.36, 279,155,328.70 and 109,466,978.12 is: 151,064,430.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,286,469.36 : 279,155,328.70 = 109,466,978.12 : x
  2. Step 2: Convert to fraction form
    202,286,469.36/279,155,328.70 = 109,466,978.12/x
  3. Step 3: Cross multiply
    202,286,469.36x = 279,155,328.70 × 109,466,978.12
  4. Step 4: Simplify right side
    202,286,469.36x = 30,558,290,258,884,308
  5. Step 5: Solve for x
    x = 30,558,290,258,884,308/202,286,469.36
  6. Step 6: Final answer
    x = 151,064,430.34

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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.