Home / 201,205,410.90-301,808,116.35-109,372,406.10

Finding the Fourth Proportional to 201,205,410.90, 301,808,116.35 and 109,372,406.10

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Solution

The fourth proportional to 201,205,410.90, 301,808,116.35 and 109,372,406.10 is: 164,058,609.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,205,410.90 : 301,808,116.35 = 109,372,406.10 : x
  2. Step 2: Convert to fraction form
    201,205,410.90/301,808,116.35 = 109,372,406.10/x
  3. Step 3: Cross multiply
    201,205,410.90x = 301,808,116.35 × 109,372,406.10
  4. Step 4: Simplify right side
    201,205,410.90x = 33,009,479,865,708,252
  5. Step 5: Solve for x
    x = 33,009,479,865,708,252/201,205,410.90
  6. Step 6: Final answer
    x = 164,058,609.15

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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.