Home / 121,937,575.64-168,274,038.72-66,183,016.08

Finding the Fourth Proportional to 121,937,575.64, 168,274,038.72 and 66,183,016.08

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Solution

The fourth proportional to 121,937,575.64, 168,274,038.72 and 66,183,016.08 is: 91,332,662.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,937,575.64 : 168,274,038.72 = 66,183,016.08 : x
  2. Step 2: Convert to fraction form
    121,937,575.64/168,274,038.72 = 66,183,016.08/x
  3. Step 3: Cross multiply
    121,937,575.64x = 168,274,038.72 × 66,183,016.08
  4. Step 4: Simplify right side
    121,937,575.64x = 11,136,883,410,452,302
  5. Step 5: Solve for x
    x = 11,136,883,410,452,302/121,937,575.64
  6. Step 6: Final answer
    x = 91,332,662.24

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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.