Home / 142,229,435,084.73-213,258,953,829.91-45,269,085,321.44

Finding the Fourth Proportional to 142,229,435,084.73, 213,258,953,829.91 and 45,269,085,321.44

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Solution

The fourth proportional to 142,229,435,084.73, 213,258,953,829.91 and 45,269,085,321.44 is: 67,876,510,728.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,229,435,084.73 : 213,258,953,829.91 = 45,269,085,321.44 : x
  2. Step 2: Convert to fraction form
    142,229,435,084.73/213,258,953,829.91 = 45,269,085,321.44/x
  3. Step 3: Cross multiply
    142,229,435,084.73x = 213,258,953,829.91 × 45,269,085,321.44
  4. Step 4: Simplify right side
    142,229,435,084.73x = 9,654,037,776,486,163,808,256
  5. Step 5: Solve for x
    x = 9,654,037,776,486,163,808,256/142,229,435,084.73
  6. Step 6: Final answer
    x = 67,876,510,728.84

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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.