Home / 173,928,661.70-260,892,992.55-71,640,047.30

Finding the Fourth Proportional to 173,928,661.70, 260,892,992.55 and 71,640,047.30

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Solution

The fourth proportional to 173,928,661.70, 260,892,992.55 and 71,640,047.30 is: 107,460,070.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,928,661.70 : 260,892,992.55 = 71,640,047.30 : x
  2. Step 2: Convert to fraction form
    173,928,661.70/260,892,992.55 = 71,640,047.30/x
  3. Step 3: Cross multiply
    173,928,661.70x = 260,892,992.55 × 71,640,047.30
  4. Step 4: Simplify right side
    173,928,661.70x = 18,690,386,326,520,548
  5. Step 5: Solve for x
    x = 18,690,386,326,520,548/173,928,661.70
  6. Step 6: Final answer
    x = 107,460,070.95

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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.