Home / 194,157,089.10-291,235,633.65-121,597,677.90

Finding the Fourth Proportional to 194,157,089.10, 291,235,633.65 and 121,597,677.90

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Solution

The fourth proportional to 194,157,089.10, 291,235,633.65 and 121,597,677.90 is: 182,396,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,157,089.10 : 291,235,633.65 = 121,597,677.90 : x
  2. Step 2: Convert to fraction form
    194,157,089.10/291,235,633.65 = 121,597,677.90/x
  3. Step 3: Cross multiply
    194,157,089.10x = 291,235,633.65 × 121,597,677.90
  4. Step 4: Simplify right side
    194,157,089.10x = 35,413,576,773,575,100
  5. Step 5: Solve for x
    x = 35,413,576,773,575,100/194,157,089.10
  6. Step 6: Final answer
    x = 182,396,516.85

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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.