Home / 123,276,231.24-170,073,867.16-70,355,879.28

Finding the Fourth Proportional to 123,276,231.24, 170,073,867.16 and 70,355,879.28

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Solution

The fourth proportional to 123,276,231.24, 170,073,867.16 and 70,355,879.28 is: 97,064,100.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,276,231.24 : 170,073,867.16 = 70,355,879.28 : x
  2. Step 2: Convert to fraction form
    123,276,231.24/170,073,867.16 = 70,355,879.28/x
  3. Step 3: Cross multiply
    123,276,231.24x = 170,073,867.16 × 70,355,879.28
  4. Step 4: Simplify right side
    123,276,231.24x = 11,965,696,466,591,716
  5. Step 5: Solve for x
    x = 11,965,696,466,591,716/123,276,231.24
  6. Step 6: Final answer
    x = 97,064,100.24

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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.