Home / 123,927,161.02-171,018,536.97-68,171,381.26

Finding the Fourth Proportional to 123,927,161.02, 171,018,536.97 and 68,171,381.26

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Solution

The fourth proportional to 123,927,161.02, 171,018,536.97 and 68,171,381.26 is: 94,075,986.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,927,161.02 : 171,018,536.97 = 68,171,381.26 : x
  2. Step 2: Convert to fraction form
    123,927,161.02/171,018,536.97 = 68,171,381.26/x
  3. Step 3: Cross multiply
    123,927,161.02x = 171,018,536.97 × 68,171,381.26
  4. Step 4: Simplify right side
    123,927,161.02x = 11,658,569,886,309,276
  5. Step 5: Solve for x
    x = 11,658,569,886,309,276/123,927,161.02
  6. Step 6: Final answer
    x = 94,075,986.17

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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.