Home / 223,444,078.77-308,347,993.20-129,362,192.67

Finding the Fourth Proportional to 223,444,078.77, 308,347,993.20 and 129,362,192.67

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Solution

The fourth proportional to 223,444,078.77, 308,347,993.20 and 129,362,192.67 is: 178,517,026.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,444,078.77 : 308,347,993.20 = 129,362,192.67 : x
  2. Step 2: Convert to fraction form
    223,444,078.77/308,347,993.20 = 129,362,192.67/x
  3. Step 3: Cross multiply
    223,444,078.77x = 308,347,993.20 × 129,362,192.67
  4. Step 4: Simplify right side
    223,444,078.77x = 39,888,572,505,746,248
  5. Step 5: Solve for x
    x = 39,888,572,505,746,248/223,444,078.77
  6. Step 6: Final answer
    x = 178,517,026.39

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1.5x scale

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.