Home / 215,675,638.40-323,513,457.60-134,046,300.80

Finding the Fourth Proportional to 215,675,638.40, 323,513,457.60 and 134,046,300.80

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Solution

The fourth proportional to 215,675,638.40, 323,513,457.60 and 134,046,300.80 is: 201,069,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,675,638.40 : 323,513,457.60 = 134,046,300.80 : x
  2. Step 2: Convert to fraction form
    215,675,638.40/323,513,457.60 = 134,046,300.80/x
  3. Step 3: Cross multiply
    215,675,638.40x = 323,513,457.60 × 134,046,300.80
  4. Step 4: Simplify right side
    215,675,638.40x = 43,365,782,250,297,648
  5. Step 5: Solve for x
    x = 43,365,782,250,297,648/215,675,638.40
  6. Step 6: Final answer
    x = 201,069,451.20

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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.