Home / 292,250,768.66-438,372,495.14-70,923,941.78

Finding the Fourth Proportional to 292,250,768.66, 438,372,495.14 and 70,923,941.78

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Solution

The fourth proportional to 292,250,768.66, 438,372,495.14 and 70,923,941.78 is: 106,385,024.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,250,768.66 : 438,372,495.14 = 70,923,941.78 : x
  2. Step 2: Convert to fraction form
    292,250,768.66/438,372,495.14 = 70,923,941.78/x
  3. Step 3: Cross multiply
    292,250,768.66x = 438,372,495.14 × 70,923,941.78
  4. Step 4: Simplify right side
    292,250,768.66x = 31,091,105,322,147,336
  5. Step 5: Solve for x
    x = 31,091,105,322,147,336/292,250,768.66
  6. Step 6: Final answer
    x = 106,385,024.97

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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.