Home / 147,758,631.20-203,897,194.38-85,024,603.83

Finding the Fourth Proportional to 147,758,631.20, 203,897,194.38 and 85,024,603.83

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Solution

The fourth proportional to 147,758,631.20, 203,897,194.38 and 85,024,603.83 is: 117,328,362.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,758,631.20 : 203,897,194.38 = 85,024,603.83 : x
  2. Step 2: Convert to fraction form
    147,758,631.20/203,897,194.38 = 85,024,603.83/x
  3. Step 3: Cross multiply
    147,758,631.20x = 203,897,194.38 × 85,024,603.83
  4. Step 4: Simplify right side
    147,758,631.20x = 17,336,278,174,208,002
  5. Step 5: Solve for x
    x = 17,336,278,174,208,002/147,758,631.20
  6. Step 6: Final answer
    x = 117,328,362.03

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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.