Home / 121,896,653.46-168,209,100.08-66,896,052.90

Finding the Fourth Proportional to 121,896,653.46, 168,209,100.08 and 66,896,052.90

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Solution

The fourth proportional to 121,896,653.46, 168,209,100.08 and 66,896,052.90 is: 92,312,008.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,896,653.46 : 168,209,100.08 = 66,896,052.90 : x
  2. Step 2: Convert to fraction form
    121,896,653.46/168,209,100.08 = 66,896,052.90/x
  3. Step 3: Cross multiply
    121,896,653.46x = 168,209,100.08 × 66,896,052.90
  4. Step 4: Simplify right side
    121,896,653.46x = 11,252,524,857,213,074
  5. Step 5: Solve for x
    x = 11,252,524,857,213,074/121,896,653.46
  6. Step 6: Final answer
    x = 92,312,008.06

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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.