Home / 189,394,804.08-261,336,807-115,016,684.40

Finding the Fourth Proportional to 189,394,804.08, 261,336,807 and 115,016,684.40

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Solution

The fourth proportional to 189,394,804.08, 261,336,807 and 115,016,684.40 is: 158,706,006.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,394,804.08 : 261,336,807 = 115,016,684.40 : x
  2. Step 2: Convert to fraction form
    189,394,804.08/261,336,807 = 115,016,684.40/x
  3. Step 3: Cross multiply
    189,394,804.08x = 261,336,807 × 115,016,684.40
  4. Step 4: Simplify right side
    189,394,804.08x = 30,058,093,052,822,712
  5. Step 5: Solve for x
    x = 30,058,093,052,822,712/189,394,804.08
  6. Step 6: Final answer
    x = 158,706,006.74

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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.