Home / 86,485,546.80-129,696,827.40-43,340,410.80

Finding the Fourth Proportional to 86,485,546.80, 129,696,827.40 and 43,340,410.80

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Solution

The fourth proportional to 86,485,546.80, 129,696,827.40 and 43,340,410.80 is: 64,994,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,485,546.80 : 129,696,827.40 = 43,340,410.80 : x
  2. Step 2: Convert to fraction form
    86,485,546.80/129,696,827.40 = 43,340,410.80/x
  3. Step 3: Cross multiply
    86,485,546.80x = 129,696,827.40 × 43,340,410.80
  4. Step 4: Simplify right side
    86,485,546.80x = 5,621,113,778,972,696
  5. Step 5: Solve for x
    x = 5,621,113,778,972,696/86,485,546.80
  6. Step 6: Final answer
    x = 64,994,834.25

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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.