Home / 173,438,123.43-260,300,315.39-87,201,039.27

Finding the Fourth Proportional to 173,438,123.43, 260,300,315.39 and 87,201,039.27

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Solution

The fourth proportional to 173,438,123.43, 260,300,315.39 and 87,201,039.27 is: 130,873,521.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,438,123.43 : 260,300,315.39 = 87,201,039.27 : x
  2. Step 2: Convert to fraction form
    173,438,123.43/260,300,315.39 = 87,201,039.27/x
  3. Step 3: Cross multiply
    173,438,123.43x = 260,300,315.39 × 87,201,039.27
  4. Step 4: Simplify right side
    173,438,123.43x = 22,698,458,023,880,768
  5. Step 5: Solve for x
    x = 22,698,458,023,880,768/173,438,123.43
  6. Step 6: Final answer
    x = 130,873,521.78

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1.5x scale

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.