Home / 220,535,511.40-330,803,267.10-91,100,103.40

Finding the Fourth Proportional to 220,535,511.40, 330,803,267.10 and 91,100,103.40

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Solution

The fourth proportional to 220,535,511.40, 330,803,267.10 and 91,100,103.40 is: 136,650,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,535,511.40 : 330,803,267.10 = 91,100,103.40 : x
  2. Step 2: Convert to fraction form
    220,535,511.40/330,803,267.10 = 91,100,103.40/x
  3. Step 3: Cross multiply
    220,535,511.40x = 330,803,267.10 × 91,100,103.40
  4. Step 4: Simplify right side
    220,535,511.40x = 30,136,211,837,867,824
  5. Step 5: Solve for x
    x = 30,136,211,837,867,824/220,535,511.40
  6. Step 6: Final answer
    x = 136,650,155.10

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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.