Home / 147,532,542.26-203,590,849.58-81,451,839.72

Finding the Fourth Proportional to 147,532,542.26, 203,590,849.58 and 81,451,839.72

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Solution

The fourth proportional to 147,532,542.26, 203,590,849.58 and 81,451,839.72 is: 112,401,298.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,532,542.26 : 203,590,849.58 = 81,451,839.72 : x
  2. Step 2: Convert to fraction form
    147,532,542.26/203,590,849.58 = 81,451,839.72/x
  3. Step 3: Cross multiply
    147,532,542.26x = 203,590,849.58 × 81,451,839.72
  4. Step 4: Simplify right side
    147,532,542.26x = 16,582,849,248,448,790
  5. Step 5: Solve for x
    x = 16,582,849,248,448,790/147,532,542.26
  6. Step 6: Final answer
    x = 112,401,298.01

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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.