Home / 188,210,201.70-282,315,302.55-149,468,152.80

Finding the Fourth Proportional to 188,210,201.70, 282,315,302.55 and 149,468,152.80

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Solution

The fourth proportional to 188,210,201.70, 282,315,302.55 and 149,468,152.80 is: 224,202,229.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,210,201.70 : 282,315,302.55 = 149,468,152.80 : x
  2. Step 2: Convert to fraction form
    188,210,201.70/282,315,302.55 = 149,468,152.80/x
  3. Step 3: Cross multiply
    188,210,201.70x = 282,315,302.55 × 149,468,152.80
  4. Step 4: Simplify right side
    188,210,201.70x = 42,197,146,779,321,632
  5. Step 5: Solve for x
    x = 42,197,146,779,321,632/188,210,201.70
  6. Step 6: Final answer
    x = 224,202,229.20

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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.