Home / 145,091,114.96-200,223,750.20-82,366,664.63

Finding the Fourth Proportional to 145,091,114.96, 200,223,750.20 and 82,366,664.63

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Solution

The fourth proportional to 145,091,114.96, 200,223,750.20 and 82,366,664.63 is: 113,664,868.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,091,114.96 : 200,223,750.20 = 82,366,664.63 : x
  2. Step 2: Convert to fraction form
    145,091,114.96/200,223,750.20 = 82,366,664.63/x
  3. Step 3: Cross multiply
    145,091,114.96x = 200,223,750.20 × 82,366,664.63
  4. Step 4: Simplify right side
    145,091,114.96x = 16,491,762,482,271,342
  5. Step 5: Solve for x
    x = 16,491,762,482,271,342/145,091,114.96
  6. Step 6: Final answer
    x = 113,664,868.36

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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.