Home / 103,526,442.90-155,289,664.35-30,754,455.30

Finding the Fourth Proportional to 103,526,442.90, 155,289,664.35 and 30,754,455.30

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Solution

The fourth proportional to 103,526,442.90, 155,289,664.35 and 30,754,455.30 is: 46,131,682.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,526,442.90 : 155,289,664.35 = 30,754,455.30 : x
  2. Step 2: Convert to fraction form
    103,526,442.90/155,289,664.35 = 30,754,455.30/x
  3. Step 3: Cross multiply
    103,526,442.90x = 155,289,664.35 × 30,754,455.30
  4. Step 4: Simplify right side
    103,526,442.90x = 4,775,849,040,804,078
  5. Step 5: Solve for x
    x = 4,775,849,040,804,078/103,526,442.90
  6. Step 6: Final answer
    x = 46,131,682.95

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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.