Home / 147,758,619.75-203,897,178.54-85,024,592.31

Finding the Fourth Proportional to 147,758,619.75, 203,897,178.54 and 85,024,592.31

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Solution

The fourth proportional to 147,758,619.75, 203,897,178.54 and 85,024,592.31 is: 117,328,346.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,758,619.75 : 203,897,178.54 = 85,024,592.31 : x
  2. Step 2: Convert to fraction form
    147,758,619.75/203,897,178.54 = 85,024,592.31/x
  3. Step 3: Cross multiply
    147,758,619.75x = 203,897,178.54 × 85,024,592.31
  4. Step 4: Simplify right side
    147,758,619.75x = 17,336,274,478,522,780
  5. Step 5: Solve for x
    x = 17,336,274,478,522,780/147,758,619.75
  6. Step 6: Final answer
    x = 117,328,346.11

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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.