Home / 220,100,337.80-329,366,685.90-191,658,840.20

Finding the Fourth Proportional to 220,100,337.80, 329,366,685.90 and 191,658,840.20

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Solution

The fourth proportional to 220,100,337.80, 329,366,685.90 and 191,658,840.20 is: 286,805,725.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,100,337.80 : 329,366,685.90 = 191,658,840.20 : x
  2. Step 2: Convert to fraction form
    220,100,337.80/329,366,685.90 = 191,658,840.20/x
  3. Step 3: Cross multiply
    220,100,337.80x = 329,366,685.90 × 191,658,840.20
  4. Step 4: Simplify right side
    220,100,337.80x = 63,126,037,020,111,688
  5. Step 5: Solve for x
    x = 63,126,037,020,111,688/220,100,337.80
  6. Step 6: Final answer
    x = 286,805,725.29

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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.