Home / 142,971,197.73-214,429,368.38-55,532,617.89

Finding the Fourth Proportional to 142,971,197.73, 214,429,368.38 and 55,532,617.89

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Solution

The fourth proportional to 142,971,197.73, 214,429,368.38 and 55,532,617.89 is: 83,288,273.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,971,197.73 : 214,429,368.38 = 55,532,617.89 : x
  2. Step 2: Convert to fraction form
    142,971,197.73/214,429,368.38 = 55,532,617.89/x
  3. Step 3: Cross multiply
    142,971,197.73x = 214,429,368.38 × 55,532,617.89
  4. Step 4: Simplify right side
    142,971,197.73x = 11,907,824,178,362,926
  5. Step 5: Solve for x
    x = 11,907,824,178,362,926/142,971,197.73
  6. Step 6: Final answer
    x = 83,288,273.21

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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.