Home / 74,069,721.06-102,251,658.87-49,331,076.90

Finding the Fourth Proportional to 74,069,721.06, 102,251,658.87 and 49,331,076.90

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Solution

The fourth proportional to 74,069,721.06, 102,251,658.87 and 49,331,076.90 is: 68,100,492.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,069,721.06 : 102,251,658.87 = 49,331,076.90 : x
  2. Step 2: Convert to fraction form
    74,069,721.06/102,251,658.87 = 49,331,076.90/x
  3. Step 3: Cross multiply
    74,069,721.06x = 102,251,658.87 × 49,331,076.90
  4. Step 4: Simplify right side
    74,069,721.06x = 5,044,184,446,868,537
  5. Step 5: Solve for x
    x = 5,044,184,446,868,537/74,069,721.06
  6. Step 6: Final answer
    x = 68,100,492.01

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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.