Home / 155,040,431.58-213,888,567.19-92,281,339.17

Finding the Fourth Proportional to 155,040,431.58, 213,888,567.19 and 92,281,339.17

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Solution

The fourth proportional to 155,040,431.58, 213,888,567.19 and 92,281,339.17 is: 127,308,233.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,040,431.58 : 213,888,567.19 = 92,281,339.17 : x
  2. Step 2: Convert to fraction form
    155,040,431.58/213,888,567.19 = 92,281,339.17/x
  3. Step 3: Cross multiply
    155,040,431.58x = 213,888,567.19 × 92,281,339.17
  4. Step 4: Simplify right side
    155,040,431.58x = 19,737,923,413,445,724
  5. Step 5: Solve for x
    x = 19,737,923,413,445,724/155,040,431.58
  6. Step 6: Final answer
    x = 127,308,233.16

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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.