Home / 146,801,291.60-202,586,015.40-81,611,195.60

Finding the Fourth Proportional to 146,801,291.60, 202,586,015.40 and 81,611,195.60

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Solution

The fourth proportional to 146,801,291.60, 202,586,015.40 and 81,611,195.60 is: 112,623,579.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,801,291.60 : 202,586,015.40 = 81,611,195.60 : x
  2. Step 2: Convert to fraction form
    146,801,291.60/202,586,015.40 = 81,611,195.60/x
  3. Step 3: Cross multiply
    146,801,291.60x = 202,586,015.40 × 81,611,195.60
  4. Step 4: Simplify right side
    146,801,291.60x = 16,533,286,928,634,012
  5. Step 5: Solve for x
    x = 16,533,286,928,634,012/146,801,291.60
  6. Step 6: Final answer
    x = 112,623,579.46

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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.