Home / 193,334,406.92-266,802,591.12-105,228,194.48

Finding the Fourth Proportional to 193,334,406.92, 266,802,591.12 and 105,228,194.48

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Solution

The fourth proportional to 193,334,406.92, 266,802,591.12 and 105,228,194.48 is: 145,215,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,334,406.92 : 266,802,591.12 = 105,228,194.48 : x
  2. Step 2: Convert to fraction form
    193,334,406.92/266,802,591.12 = 105,228,194.48/x
  3. Step 3: Cross multiply
    193,334,406.92x = 266,802,591.12 × 105,228,194.48
  4. Step 4: Simplify right side
    193,334,406.92x = 28,075,154,946,143,284
  5. Step 5: Solve for x
    x = 28,075,154,946,143,284/193,334,406.92
  6. Step 6: Final answer
    x = 145,215,512.30

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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.