Home / 121,512,030.55-167,687,025.57-65,757,437.03

Finding the Fourth Proportional to 121,512,030.55, 167,687,025.57 and 65,757,437.03

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Solution

The fourth proportional to 121,512,030.55, 167,687,025.57 and 65,757,437.03 is: 90,745,492.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,512,030.55 : 167,687,025.57 = 65,757,437.03 : x
  2. Step 2: Convert to fraction form
    121,512,030.55/167,687,025.57 = 65,757,437.03/x
  3. Step 3: Cross multiply
    121,512,030.55x = 167,687,025.57 × 65,757,437.03
  4. Step 4: Simplify right side
    121,512,030.55x = 11,026,669,025,086,492
  5. Step 5: Solve for x
    x = 11,026,669,025,086,492/121,512,030.55
  6. Step 6: Final answer
    x = 90,745,492.24

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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.