Home / 85,132,366.22-117,482,664.29-45,974,142.01

Finding the Fourth Proportional to 85,132,366.22, 117,482,664.29 and 45,974,142.01

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Solution

The fourth proportional to 85,132,366.22, 117,482,664.29 and 45,974,142.01 is: 63,444,315.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,132,366.22 : 117,482,664.29 = 45,974,142.01 : x
  2. Step 2: Convert to fraction form
    85,132,366.22/117,482,664.29 = 45,974,142.01/x
  3. Step 3: Cross multiply
    85,132,366.22x = 117,482,664.29 × 45,974,142.01
  4. Step 4: Simplify right side
    85,132,366.22x = 5,401,164,691,781,616
  5. Step 5: Solve for x
    x = 5,401,164,691,781,616/85,132,366.22
  6. Step 6: Final answer
    x = 63,444,315.38

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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.