Home / 152,284,855.56-210,153,361.59-87,094,759.56

Finding the Fourth Proportional to 152,284,855.56, 210,153,361.59 and 87,094,759.56

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Solution

The fourth proportional to 152,284,855.56, 210,153,361.59 and 87,094,759.56 is: 120,190,917.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,284,855.56 : 210,153,361.59 = 87,094,759.56 : x
  2. Step 2: Convert to fraction form
    152,284,855.56/210,153,361.59 = 87,094,759.56/x
  3. Step 3: Cross multiply
    152,284,855.56x = 210,153,361.59 × 87,094,759.56
  4. Step 4: Simplify right side
    152,284,855.56x = 18,303,256,498,406,792
  5. Step 5: Solve for x
    x = 18,303,256,498,406,792/152,284,855.56
  6. Step 6: Final answer
    x = 120,190,917.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.