Home / 163,647,464.24-225,838,288.50-89,312,792.54

Finding the Fourth Proportional to 163,647,464.24, 225,838,288.50 and 89,312,792.54

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Solution

The fourth proportional to 163,647,464.24, 225,838,288.50 and 89,312,792.54 is: 123,254,266.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,647,464.24 : 225,838,288.50 = 89,312,792.54 : x
  2. Step 2: Convert to fraction form
    163,647,464.24/225,838,288.50 = 89,312,792.54/x
  3. Step 3: Cross multiply
    163,647,464.24x = 225,838,288.50 × 89,312,792.54
  4. Step 4: Simplify right side
    163,647,464.24x = 20,170,248,208,389,168
  5. Step 5: Solve for x
    x = 20,170,248,208,389,168/163,647,464.24
  6. Step 6: Final answer
    x = 123,254,266.74

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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.