Home / 189,935,508.25-262,119,193.31-105,162,626.67

Finding the Fourth Proportional to 189,935,508.25, 262,119,193.31 and 105,162,626.67

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Solution

The fourth proportional to 189,935,508.25, 262,119,193.31 and 105,162,626.67 is: 145,128,960.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,935,508.25 : 262,119,193.31 = 105,162,626.67 : x
  2. Step 2: Convert to fraction form
    189,935,508.25/262,119,193.31 = 105,162,626.67/x
  3. Step 3: Cross multiply
    189,935,508.25x = 262,119,193.31 × 105,162,626.67
  4. Step 4: Simplify right side
    189,935,508.25x = 27,565,142,867,264,684
  5. Step 5: Solve for x
    x = 27,565,142,867,264,684/189,935,508.25
  6. Step 6: Final answer
    x = 145,128,960.46

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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.