Home / 207,098,354.54-285,801,803.12-113,018,575.94

Finding the Fourth Proportional to 207,098,354.54, 285,801,803.12 and 113,018,575.94

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Solution

The fourth proportional to 207,098,354.54, 285,801,803.12 and 113,018,575.94 is: 155,968,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,098,354.54 : 285,801,803.12 = 113,018,575.94 : x
  2. Step 2: Convert to fraction form
    207,098,354.54/285,801,803.12 = 113,018,575.94/x
  3. Step 3: Cross multiply
    207,098,354.54x = 285,801,803.12 × 113,018,575.94
  4. Step 4: Simplify right side
    207,098,354.54x = 32,300,912,789,706,648
  5. Step 5: Solve for x
    x = 32,300,912,789,706,648/207,098,354.54
  6. Step 6: Final answer
    x = 155,968,949.45

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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.