Home / 85,697,059.84-118,298,129.60-57,857,465.54

Finding the Fourth Proportional to 85,697,059.84, 118,298,129.60 and 57,857,465.54

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Solution

The fourth proportional to 85,697,059.84, 118,298,129.60 and 57,857,465.54 is: 79,867,733.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,697,059.84 : 118,298,129.60 = 57,857,465.54 : x
  2. Step 2: Convert to fraction form
    85,697,059.84/118,298,129.60 = 57,857,465.54/x
  3. Step 3: Cross multiply
    85,697,059.84x = 118,298,129.60 × 57,857,465.54
  4. Step 4: Simplify right side
    85,697,059.84x = 6,844,429,957,218,843
  5. Step 5: Solve for x
    x = 6,844,429,957,218,843/85,697,059.84
  6. Step 6: Final answer
    x = 79,867,733.74

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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.