Home / 230,728,442.40-318,405,225.92-124,881,840.11

Finding the Fourth Proportional to 230,728,442.40, 318,405,225.92 and 124,881,840.11

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Solution

The fourth proportional to 230,728,442.40, 318,405,225.92 and 124,881,840.11 is: 172,336,926.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,728,442.40 : 318,405,225.92 = 124,881,840.11 : x
  2. Step 2: Convert to fraction form
    230,728,442.40/318,405,225.92 = 124,881,840.11/x
  3. Step 3: Cross multiply
    230,728,442.40x = 318,405,225.92 × 124,881,840.11
  4. Step 4: Simplify right side
    230,728,442.40x = 39,763,030,513,529,872
  5. Step 5: Solve for x
    x = 39,763,030,513,529,872/230,728,442.40
  6. Step 6: Final answer
    x = 172,336,926.04

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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.