Home / 137,824,449.64-206,541,812.44-76,440,652.20

Finding the Fourth Proportional to 137,824,449.64, 206,541,812.44 and 76,440,652.20

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Solution

The fourth proportional to 137,824,449.64, 206,541,812.44 and 76,440,652.20 is: 114,552,903.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,824,449.64 : 206,541,812.44 = 76,440,652.20 : x
  2. Step 2: Convert to fraction form
    137,824,449.64/206,541,812.44 = 76,440,652.20/x
  3. Step 3: Cross multiply
    137,824,449.64x = 206,541,812.44 × 76,440,652.20
  4. Step 4: Simplify right side
    137,824,449.64x = 15,788,190,849,483,674
  5. Step 5: Solve for x
    x = 15,788,190,849,483,674/137,824,449.64
  6. Step 6: Final answer
    x = 114,552,903.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.