Home / 220,109,406.60-330,294,746.70-83,808,568.20

Finding the Fourth Proportional to 220,109,406.60, 330,294,746.70 and 83,808,568.20

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Solution

The fourth proportional to 220,109,406.60, 330,294,746.70 and 83,808,568.20 is: 125,762,593.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,109,406.60 : 330,294,746.70 = 83,808,568.20 : x
  2. Step 2: Convert to fraction form
    220,109,406.60/330,294,746.70 = 83,808,568.20/x
  3. Step 3: Cross multiply
    220,109,406.60x = 330,294,746.70 × 83,808,568.20
  4. Step 4: Simplify right side
    220,109,406.60x = 27,681,529,804,908,676
  5. Step 5: Solve for x
    x = 27,681,529,804,908,676/220,109,406.60
  6. Step 6: Final answer
    x = 125,762,593.40

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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.