Home / 86,237,843.60-129,368,575.20-28,724,117.60

Finding the Fourth Proportional to 86,237,843.60, 129,368,575.20 and 28,724,117.60

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Solution

The fourth proportional to 86,237,843.60, 129,368,575.20 and 28,724,117.60 is: 43,090,110.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,237,843.60 : 129,368,575.20 = 28,724,117.60 : x
  2. Step 2: Convert to fraction form
    86,237,843.60/129,368,575.20 = 28,724,117.60/x
  3. Step 3: Cross multiply
    86,237,843.60x = 129,368,575.20 × 28,724,117.60
  4. Step 4: Simplify right side
    86,237,843.60x = 3,715,998,167,789,244
  5. Step 5: Solve for x
    x = 3,715,998,167,789,244/86,237,843.60
  6. Step 6: Final answer
    x = 43,090,110.01

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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.