Home / 189,147,339.20-283,500,559.20-86,921,710.40

Finding the Fourth Proportional to 189,147,339.20, 283,500,559.20 and 86,921,710.40

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Solution

The fourth proportional to 189,147,339.20, 283,500,559.20 and 86,921,710.40 is: 130,281,259.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,147,339.20 : 283,500,559.20 = 86,921,710.40 : x
  2. Step 2: Convert to fraction form
    189,147,339.20/283,500,559.20 = 86,921,710.40/x
  3. Step 3: Cross multiply
    189,147,339.20x = 283,500,559.20 × 86,921,710.40
  4. Step 4: Simplify right side
    189,147,339.20x = 24,642,353,505,020,456
  5. Step 5: Solve for x
    x = 24,642,353,505,020,456/189,147,339.20
  6. Step 6: Final answer
    x = 130,281,259.09

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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.