Home / 189,188,867.20-283,825,291.20-86,928,246.40

Finding the Fourth Proportional to 189,188,867.20, 283,825,291.20 and 86,928,246.40

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Solution

The fourth proportional to 189,188,867.20, 283,825,291.20 and 86,928,246.40 is: 130,411,663.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,188,867.20 : 283,825,291.20 = 86,928,246.40 : x
  2. Step 2: Convert to fraction form
    189,188,867.20/283,825,291.20 = 86,928,246.40/x
  3. Step 3: Cross multiply
    189,188,867.20x = 283,825,291.20 × 86,928,246.40
  4. Step 4: Simplify right side
    189,188,867.20x = 24,672,434,847,985,352
  5. Step 5: Solve for x
    x = 24,672,434,847,985,352/189,188,867.20
  6. Step 6: Final answer
    x = 130,411,663.29

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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.