Home / 220,090,713.40-330,136,070.10-90,655,305.40

Finding the Fourth Proportional to 220,090,713.40, 330,136,070.10 and 90,655,305.40

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Solution

The fourth proportional to 220,090,713.40, 330,136,070.10 and 90,655,305.40 is: 135,982,958.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,090,713.40 : 330,136,070.10 = 90,655,305.40 : x
  2. Step 2: Convert to fraction form
    220,090,713.40/330,136,070.10 = 90,655,305.40/x
  3. Step 3: Cross multiply
    220,090,713.40x = 330,136,070.10 × 90,655,305.40
  4. Step 4: Simplify right side
    220,090,713.40x = 29,928,586,258,471,312
  5. Step 5: Solve for x
    x = 29,928,586,258,471,312/220,090,713.40
  6. Step 6: Final answer
    x = 135,982,958.10

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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.