Home / 289,250,074.37-399,189,720.18-163,824,582.51

Finding the Fourth Proportional to 289,250,074.37, 399,189,720.18 and 163,824,582.51

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Solution

The fourth proportional to 289,250,074.37, 399,189,720.18 and 163,824,582.51 is: 226,091,866.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,250,074.37 : 399,189,720.18 = 163,824,582.51 : x
  2. Step 2: Convert to fraction form
    289,250,074.37/399,189,720.18 = 163,824,582.51/x
  3. Step 3: Cross multiply
    289,250,074.37x = 399,189,720.18 × 163,824,582.51
  4. Step 4: Simplify right side
    289,250,074.37x = 65,397,089,251,386,560
  5. Step 5: Solve for x
    x = 65,397,089,251,386,560/289,250,074.37
  6. Step 6: Final answer
    x = 226,091,866.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.