Home / 188,213,836.20-282,421,064.70-73,202,130.60

Finding the Fourth Proportional to 188,213,836.20, 282,421,064.70 and 73,202,130.60

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Solution

The fourth proportional to 188,213,836.20, 282,421,064.70 and 73,202,130.60 is: 109,842,209.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,213,836.20 : 282,421,064.70 = 73,202,130.60 : x
  2. Step 2: Convert to fraction form
    188,213,836.20/282,421,064.70 = 73,202,130.60/x
  3. Step 3: Cross multiply
    188,213,836.20x = 282,421,064.70 × 73,202,130.60
  4. Step 4: Simplify right side
    188,213,836.20x = 20,673,823,662,360,448
  5. Step 5: Solve for x
    x = 20,673,823,662,360,448/188,213,836.20
  6. Step 6: Final answer
    x = 109,842,209.69

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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.