Home / 148,635,999.80-222,528,846.90-91,240,371.80

Finding the Fourth Proportional to 148,635,999.80, 222,528,846.90 and 91,240,371.80

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Solution

The fourth proportional to 148,635,999.80, 222,528,846.90 and 91,240,371.80 is: 136,599,577.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,635,999.80 : 222,528,846.90 = 91,240,371.80 : x
  2. Step 2: Convert to fraction form
    148,635,999.80/222,528,846.90 = 91,240,371.80/x
  3. Step 3: Cross multiply
    148,635,999.80x = 222,528,846.90 × 91,240,371.80
  4. Step 4: Simplify right side
    148,635,999.80x = 20,303,614,727,381,276
  5. Step 5: Solve for x
    x = 20,303,614,727,381,276/148,635,999.80
  6. Step 6: Final answer
    x = 136,599,577.19

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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.