Home / 145,163,213.40-217,744,820.10-96,790,272.60

Finding the Fourth Proportional to 145,163,213.40, 217,744,820.10 and 96,790,272.60

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Solution

The fourth proportional to 145,163,213.40, 217,744,820.10 and 96,790,272.60 is: 145,185,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,163,213.40 : 217,744,820.10 = 96,790,272.60 : x
  2. Step 2: Convert to fraction form
    145,163,213.40/217,744,820.10 = 96,790,272.60/x
  3. Step 3: Cross multiply
    145,163,213.40x = 217,744,820.10 × 96,790,272.60
  4. Step 4: Simplify right side
    145,163,213.40x = 21,075,580,494,716,956
  5. Step 5: Solve for x
    x = 21,075,580,494,716,956/145,163,213.40
  6. Step 6: Final answer
    x = 145,185,408.90

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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.