Home / 220,062,210.40-330,093,315.60-155,492,128.90

Finding the Fourth Proportional to 220,062,210.40, 330,093,315.60 and 155,492,128.90

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Solution

The fourth proportional to 220,062,210.40, 330,093,315.60 and 155,492,128.90 is: 233,238,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,062,210.40 : 330,093,315.60 = 155,492,128.90 : x
  2. Step 2: Convert to fraction form
    220,062,210.40/330,093,315.60 = 155,492,128.90/x
  3. Step 3: Cross multiply
    220,062,210.40x = 330,093,315.60 × 155,492,128.90
  4. Step 4: Simplify right side
    220,062,210.40x = 51,326,912,378,303,584
  5. Step 5: Solve for x
    x = 51,326,912,378,303,584/220,062,210.40
  6. Step 6: Final answer
    x = 233,238,193.35

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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.