Home / 292,622,989.30-438,935,950.76-74,273,396.52

Finding the Fourth Proportional to 292,622,989.30, 438,935,950.76 and 74,273,396.52

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Solution

The fourth proportional to 292,622,989.30, 438,935,950.76 and 74,273,396.52 is: 111,410,467.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,622,989.30 : 438,935,950.76 = 74,273,396.52 : x
  2. Step 2: Convert to fraction form
    292,622,989.30/438,935,950.76 = 74,273,396.52/x
  3. Step 3: Cross multiply
    292,622,989.30x = 438,935,950.76 × 74,273,396.52
  4. Step 4: Simplify right side
    292,622,989.30x = 32,601,263,917,680,672
  5. Step 5: Solve for x
    x = 32,601,263,917,680,672/292,622,989.30
  6. Step 6: Final answer
    x = 111,410,467.08

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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.