Home / 220,109,038.80-330,163,558.20-216,707,816.40

Finding the Fourth Proportional to 220,109,038.80, 330,163,558.20 and 216,707,816.40

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Solution

The fourth proportional to 220,109,038.80, 330,163,558.20 and 216,707,816.40 is: 325,061,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,109,038.80 : 330,163,558.20 = 216,707,816.40 : x
  2. Step 2: Convert to fraction form
    220,109,038.80/330,163,558.20 = 216,707,816.40/x
  3. Step 3: Cross multiply
    220,109,038.80x = 330,163,558.20 × 216,707,816.40
  4. Step 4: Simplify right side
    220,109,038.80x = 71,549,023,752,376,312
  5. Step 5: Solve for x
    x = 71,549,023,752,376,312/220,109,038.80
  6. Step 6: Final answer
    x = 325,061,724.60

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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.