Home / 164,741,036.79-227,346,103.91-90,400,947.06

Finding the Fourth Proportional to 164,741,036.79, 227,346,103.91 and 90,400,947.06

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Solution

The fourth proportional to 164,741,036.79, 227,346,103.91 and 90,400,947.06 is: 124,755,212.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,741,036.79 : 227,346,103.91 = 90,400,947.06 : x
  2. Step 2: Convert to fraction form
    164,741,036.79/227,346,103.91 = 90,400,947.06/x
  3. Step 3: Cross multiply
    164,741,036.79x = 227,346,103.91 × 90,400,947.06
  4. Step 4: Simplify right side
    164,741,036.79x = 20,552,303,104,495,696
  5. Step 5: Solve for x
    x = 20,552,303,104,495,696/164,741,036.79
  6. Step 6: Final answer
    x = 124,755,212.82

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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.