Home / 189,288,031.80-283,932,047.70-124,664,806.20

Finding the Fourth Proportional to 189,288,031.80, 283,932,047.70 and 124,664,806.20

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Solution

The fourth proportional to 189,288,031.80, 283,932,047.70 and 124,664,806.20 is: 186,997,209.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,288,031.80 : 283,932,047.70 = 124,664,806.20 : x
  2. Step 2: Convert to fraction form
    189,288,031.80/283,932,047.70 = 124,664,806.20/x
  3. Step 3: Cross multiply
    189,288,031.80x = 283,932,047.70 × 124,664,806.20
  4. Step 4: Simplify right side
    189,288,031.80x = 35,396,333,700,489,656
  5. Step 5: Solve for x
    x = 35,396,333,700,489,656/189,288,031.80
  6. Step 6: Final answer
    x = 186,997,209.30

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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.