Home / 123,927,163.02-171,018,539.73-68,171,383.26

Finding the Fourth Proportional to 123,927,163.02, 171,018,539.73 and 68,171,383.26

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Solution

The fourth proportional to 123,927,163.02, 171,018,539.73 and 68,171,383.26 is: 94,075,988.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,927,163.02 : 171,018,539.73 = 68,171,383.26 : x
  2. Step 2: Convert to fraction form
    123,927,163.02/171,018,539.73 = 68,171,383.26/x
  3. Step 3: Cross multiply
    123,927,163.02x = 171,018,539.73 × 68,171,383.26
  4. Step 4: Simplify right side
    123,927,163.02x = 11,658,570,416,499,368
  5. Step 5: Solve for x
    x = 11,658,570,416,499,368/123,927,163.02
  6. Step 6: Final answer
    x = 94,075,988.93

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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.