Home / 160,261,213.50-221,160,489.21-90,645,096.06

Finding the Fourth Proportional to 160,261,213.50, 221,160,489.21 and 90,645,096.06

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Solution

The fourth proportional to 160,261,213.50, 221,160,489.21 and 90,645,096.06 is: 125,090,240.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,261,213.50 : 221,160,489.21 = 90,645,096.06 : x
  2. Step 2: Convert to fraction form
    160,261,213.50/221,160,489.21 = 90,645,096.06/x
  3. Step 3: Cross multiply
    160,261,213.50x = 221,160,489.21 × 90,645,096.06
  4. Step 4: Simplify right side
    160,261,213.50x = 20,047,113,789,117,044
  5. Step 5: Solve for x
    x = 20,047,113,789,117,044/160,261,213.50
  6. Step 6: Final answer
    x = 125,090,240.81

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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.