Home / 194,157,098.10-291,235,647.15-121,597,686.90

Finding the Fourth Proportional to 194,157,098.10, 291,235,647.15 and 121,597,686.90

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Solution

The fourth proportional to 194,157,098.10, 291,235,647.15 and 121,597,686.90 is: 182,396,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,157,098.10 : 291,235,647.15 = 121,597,686.90 : x
  2. Step 2: Convert to fraction form
    194,157,098.10/291,235,647.15 = 121,597,686.90/x
  3. Step 3: Cross multiply
    194,157,098.10x = 291,235,647.15 × 121,597,686.90
  4. Step 4: Simplify right side
    194,157,098.10x = 35,413,581,036,264,576
  5. Step 5: Solve for x
    x = 35,413,581,036,264,576/194,157,098.10
  6. Step 6: Final answer
    x = 182,396,530.35

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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.