Home / 201,017,563.10-301,440,649.79-76,498,943.90

Finding the Fourth Proportional to 201,017,563.10, 301,440,649.79 and 76,498,943.90

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Solution

The fourth proportional to 201,017,563.10, 301,440,649.79 and 76,498,943.90 is: 114,715,803.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,017,563.10 : 301,440,649.79 = 76,498,943.90 : x
  2. Step 2: Convert to fraction form
    201,017,563.10/301,440,649.79 = 76,498,943.90/x
  3. Step 3: Cross multiply
    201,017,563.10x = 301,440,649.79 × 76,498,943.90
  4. Step 4: Simplify right side
    201,017,563.10x = 23,059,891,356,148,800
  5. Step 5: Solve for x
    x = 23,059,891,356,148,800/201,017,563.10
  6. Step 6: Final answer
    x = 114,715,803.93

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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.