Home / 220,106,947.80-330,160,421.70-216,705,725.40

Finding the Fourth Proportional to 220,106,947.80, 330,160,421.70 and 216,705,725.40

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Solution

The fourth proportional to 220,106,947.80, 330,160,421.70 and 216,705,725.40 is: 325,058,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,106,947.80 : 330,160,421.70 = 216,705,725.40 : x
  2. Step 2: Convert to fraction form
    220,106,947.80/330,160,421.70 = 216,705,725.40/x
  3. Step 3: Cross multiply
    220,106,947.80x = 330,160,421.70 × 216,705,725.40
  4. Step 4: Simplify right side
    220,106,947.80x = 71,547,653,682,868,400
  5. Step 5: Solve for x
    x = 71,547,653,682,868,400/220,106,947.80
  6. Step 6: Final answer
    x = 325,058,588.10

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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.