Home / 142,907,713.72-214,374,357.72-55,467,180.76

Finding the Fourth Proportional to 142,907,713.72, 214,374,357.72 and 55,467,180.76

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Solution

The fourth proportional to 142,907,713.72, 214,374,357.72 and 55,467,180.76 is: 83,205,734.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,907,713.72 : 214,374,357.72 = 55,467,180.76 : x
  2. Step 2: Convert to fraction form
    142,907,713.72/214,374,357.72 = 55,467,180.76/x
  3. Step 3: Cross multiply
    142,907,713.72x = 214,374,357.72 × 55,467,180.76
  4. Step 4: Simplify right side
    142,907,713.72x = 11,890,741,249,964,140
  5. Step 5: Solve for x
    x = 11,890,741,249,964,140/142,907,713.72
  6. Step 6: Final answer
    x = 83,205,734.25

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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.