Home / 147,687,161.61-203,939,009.64-92,027,574.21

Finding the Fourth Proportional to 147,687,161.61, 203,939,009.64 and 92,027,574.21

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Solution

The fourth proportional to 147,687,161.61, 203,939,009.64 and 92,027,574.21 is: 127,079,511.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,687,161.61 : 203,939,009.64 = 92,027,574.21 : x
  2. Step 2: Convert to fraction form
    147,687,161.61/203,939,009.64 = 92,027,574.21/x
  3. Step 3: Cross multiply
    147,687,161.61x = 203,939,009.64 × 92,027,574.21
  4. Step 4: Simplify right side
    147,687,161.61x = 18,768,012,343,959,004
  5. Step 5: Solve for x
    x = 18,768,012,343,959,004/147,687,161.61
  6. Step 6: Final answer
    x = 127,079,511.44

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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.