Home / 186,688,268.70-280,032,403.05-168,194,121.90

Finding the Fourth Proportional to 186,688,268.70, 280,032,403.05 and 168,194,121.90

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Solution

The fourth proportional to 186,688,268.70, 280,032,403.05 and 168,194,121.90 is: 252,291,182.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,688,268.70 : 280,032,403.05 = 168,194,121.90 : x
  2. Step 2: Convert to fraction form
    186,688,268.70/280,032,403.05 = 168,194,121.90/x
  3. Step 3: Cross multiply
    186,688,268.70x = 280,032,403.05 × 168,194,121.90
  4. Step 4: Simplify right side
    186,688,268.70x = 47,099,804,134,541,632
  5. Step 5: Solve for x
    x = 47,099,804,134,541,632/186,688,268.70
  6. Step 6: Final answer
    x = 252,291,182.85

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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.