Home / 220,106,920.80-330,160,381.20-216,705,698.40

Finding the Fourth Proportional to 220,106,920.80, 330,160,381.20 and 216,705,698.40

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Solution

The fourth proportional to 220,106,920.80, 330,160,381.20 and 216,705,698.40 is: 325,058,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,106,920.80 : 330,160,381.20 = 216,705,698.40 : x
  2. Step 2: Convert to fraction form
    220,106,920.80/330,160,381.20 = 216,705,698.40/x
  3. Step 3: Cross multiply
    220,106,920.80x = 330,160,381.20 × 216,705,698.40
  4. Step 4: Simplify right side
    220,106,920.80x = 71,547,635,991,956,232
  5. Step 5: Solve for x
    x = 71,547,635,991,956,232/220,106,920.80
  6. Step 6: Final answer
    x = 325,058,547.60

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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.