Home / 85,697,061.84-118,298,132.36-57,857,467.54

Finding the Fourth Proportional to 85,697,061.84, 118,298,132.36 and 57,857,467.54

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Solution

The fourth proportional to 85,697,061.84, 118,298,132.36 and 57,857,467.54 is: 79,867,736.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,697,061.84 : 118,298,132.36 = 57,857,467.54 : x
  2. Step 2: Convert to fraction form
    85,697,061.84/118,298,132.36 = 57,857,467.54/x
  3. Step 3: Cross multiply
    85,697,061.84x = 118,298,132.36 × 57,857,467.54
  4. Step 4: Simplify right side
    85,697,061.84x = 6,844,430,353,061,323
  5. Step 5: Solve for x
    x = 6,844,430,353,061,323/85,697,061.84
  6. Step 6: Final answer
    x = 79,867,736.49

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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.