Home / 154,557,599.76-213,284,978.28-88,475,907.60

Finding the Fourth Proportional to 154,557,599.76, 213,284,978.28 and 88,475,907.60

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Solution

The fourth proportional to 154,557,599.76, 213,284,978.28 and 88,475,907.60 is: 122,094,171.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,557,599.76 : 213,284,978.28 = 88,475,907.60 : x
  2. Step 2: Convert to fraction form
    154,557,599.76/213,284,978.28 = 88,475,907.60/x
  3. Step 3: Cross multiply
    154,557,599.76x = 213,284,978.28 × 88,475,907.60
  4. Step 4: Simplify right side
    154,557,599.76x = 18,870,582,030,769,284
  5. Step 5: Solve for x
    x = 18,870,582,030,769,284/154,557,599.76
  6. Step 6: Final answer
    x = 122,094,171.11

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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.