Home / 124,201,812.78-171,399,671.98-68,449,240.63

Finding the Fourth Proportional to 124,201,812.78, 171,399,671.98 and 68,449,240.63

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Solution

The fourth proportional to 124,201,812.78, 171,399,671.98 and 68,449,240.63 is: 94,460,597.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,201,812.78 : 171,399,671.98 = 68,449,240.63 : x
  2. Step 2: Convert to fraction form
    124,201,812.78/171,399,671.98 = 68,449,240.63/x
  3. Step 3: Cross multiply
    124,201,812.78x = 171,399,671.98 × 68,449,240.63
  4. Step 4: Simplify right side
    124,201,812.78x = 11,732,177,391,208,608
  5. Step 5: Solve for x
    x = 11,732,177,391,208,608/124,201,812.78
  6. Step 6: Final answer
    x = 94,460,597.06

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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.