Home / 124,243,296-171,447,901.28-68,485,643.52

Finding the Fourth Proportional to 124,243,296, 171,447,901.28 and 68,485,643.52

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Solution

The fourth proportional to 124,243,296, 171,447,901.28 and 68,485,643.52 is: 94,505,862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,243,296 : 171,447,901.28 = 68,485,643.52 : x
  2. Step 2: Convert to fraction form
    124,243,296/171,447,901.28 = 68,485,643.52/x
  3. Step 3: Cross multiply
    124,243,296x = 171,447,901.28 × 68,485,643.52
  4. Step 4: Simplify right side
    124,243,296x = 11,741,719,849,314,232
  5. Step 5: Solve for x
    x = 11,741,719,849,314,232/124,243,296
  6. Step 6: Final answer
    x = 94,505,862.51

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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.