Home / 145,339,397,791.60-218,009,096,687.40-142,074,224,287.60

Finding the Fourth Proportional to 145,339,397,791.60, 218,009,096,687.40 and 142,074,224,287.60

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Solution

The fourth proportional to 145,339,397,791.60, 218,009,096,687.40 and 142,074,224,287.60 is: 213,111,336,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,339,397,791.60 : 218,009,096,687.40 = 142,074,224,287.60 : x
  2. Step 2: Convert to fraction form
    145,339,397,791.60/218,009,096,687.40 = 142,074,224,287.60/x
  3. Step 3: Cross multiply
    145,339,397,791.60x = 218,009,096,687.40 × 142,074,224,287.60
  4. Step 4: Simplify right side
    145,339,397,791.60x = 30,973,473,299,502,743,945,216
  5. Step 5: Solve for x
    x = 30,973,473,299,502,743,945,216/145,339,397,791.60
  6. Step 6: Final answer
    x = 213,111,336,431.40

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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.