Home / 292,622,984.30-438,935,943.26-74,273,391.52

Finding the Fourth Proportional to 292,622,984.30, 438,935,943.26 and 74,273,391.52

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Solution

The fourth proportional to 292,622,984.30, 438,935,943.26 and 74,273,391.52 is: 111,410,459.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,622,984.30 : 438,935,943.26 = 74,273,391.52 : x
  2. Step 2: Convert to fraction form
    292,622,984.30/438,935,943.26 = 74,273,391.52/x
  3. Step 3: Cross multiply
    292,622,984.30x = 438,935,943.26 × 74,273,391.52
  4. Step 4: Simplify right side
    292,622,984.30x = 32,601,261,165,038,828
  5. Step 5: Solve for x
    x = 32,601,261,165,038,828/292,622,984.30
  6. Step 6: Final answer
    x = 111,410,459.58

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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.