Home / 65,554,822.84-90,465,673.56-36,186,174.40

Finding the Fourth Proportional to 65,554,822.84, 90,465,673.56 and 36,186,174.40

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Solution

The fourth proportional to 65,554,822.84, 90,465,673.56 and 36,186,174.40 is: 49,936,930.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,554,822.84 : 90,465,673.56 = 36,186,174.40 : x
  2. Step 2: Convert to fraction form
    65,554,822.84/90,465,673.56 = 36,186,174.40/x
  3. Step 3: Cross multiply
    65,554,822.84x = 90,465,673.56 × 36,186,174.40
  4. Step 4: Simplify right side
    65,554,822.84x = 3,273,606,640,655,629
  5. Step 5: Solve for x
    x = 3,273,606,640,655,629/65,554,822.84
  6. Step 6: Final answer
    x = 49,936,930.63

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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.