Home / 124,640,670.81-186,960,755.52-117,055,893.72

Finding the Fourth Proportional to 124,640,670.81, 186,960,755.52 and 117,055,893.72

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Solution

The fourth proportional to 124,640,670.81, 186,960,755.52 and 117,055,893.72 is: 175,583,605.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,640,670.81 : 186,960,755.52 = 117,055,893.72 : x
  2. Step 2: Convert to fraction form
    124,640,670.81/186,960,755.52 = 117,055,893.72/x
  3. Step 3: Cross multiply
    124,640,670.81x = 186,960,755.52 × 117,055,893.72
  4. Step 4: Simplify right side
    124,640,670.81x = 21,884,858,327,960,024
  5. Step 5: Solve for x
    x = 21,884,858,327,960,024/124,640,670.81
  6. Step 6: Final answer
    x = 175,583,605.14

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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.