Home / 321,905,619.44-444,240,471.56-180,801,667.08

Finding the Fourth Proportional to 321,905,619.44, 444,240,471.56 and 180,801,667.08

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Solution

The fourth proportional to 321,905,619.44, 444,240,471.56 and 180,801,667.08 is: 249,512,319.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,905,619.44 : 444,240,471.56 = 180,801,667.08 : x
  2. Step 2: Convert to fraction form
    321,905,619.44/444,240,471.56 = 180,801,667.08/x
  3. Step 3: Cross multiply
    321,905,619.44x = 444,240,471.56 × 180,801,667.08
  4. Step 4: Simplify right side
    321,905,619.44x = 80,319,417,842,453,328
  5. Step 5: Solve for x
    x = 80,319,417,842,453,328/321,905,619.44
  6. Step 6: Final answer
    x = 249,512,319.74

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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.