Home / 189,218,059.80-283,827,089.70-68,033,765.40

Finding the Fourth Proportional to 189,218,059.80, 283,827,089.70 and 68,033,765.40

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Solution

The fourth proportional to 189,218,059.80, 283,827,089.70 and 68,033,765.40 is: 102,050,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,218,059.80 : 283,827,089.70 = 68,033,765.40 : x
  2. Step 2: Convert to fraction form
    189,218,059.80/283,827,089.70 = 68,033,765.40/x
  3. Step 3: Cross multiply
    189,218,059.80x = 283,827,089.70 × 68,033,765.40
  4. Step 4: Simplify right side
    189,218,059.80x = 19,309,825,634,814,556
  5. Step 5: Solve for x
    x = 19,309,825,634,814,556/189,218,059.80
  6. Step 6: Final answer
    x = 102,050,648.10

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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.