Home / 189,476,429.40-284,214,644.10-186,925,512.60

Finding the Fourth Proportional to 189,476,429.40, 284,214,644.10 and 186,925,512.60

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Solution

The fourth proportional to 189,476,429.40, 284,214,644.10 and 186,925,512.60 is: 280,388,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,476,429.40 : 284,214,644.10 = 186,925,512.60 : x
  2. Step 2: Convert to fraction form
    189,476,429.40/284,214,644.10 = 186,925,512.60/x
  3. Step 3: Cross multiply
    189,476,429.40x = 284,214,644.10 × 186,925,512.60
  4. Step 4: Simplify right side
    189,476,429.40x = 53,126,968,036,819,072
  5. Step 5: Solve for x
    x = 53,126,968,036,819,072/189,476,429.40
  6. Step 6: Final answer
    x = 280,388,268.90

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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.