Home / 85,675,441.92-118,329,455.84-57,749,988.80

Finding the Fourth Proportional to 85,675,441.92, 118,329,455.84 and 57,749,988.80

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Solution

The fourth proportional to 85,675,441.92, 118,329,455.84 and 57,749,988.80 is: 79,760,601.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,675,441.92 : 118,329,455.84 = 57,749,988.80 : x
  2. Step 2: Convert to fraction form
    85,675,441.92/118,329,455.84 = 57,749,988.80/x
  3. Step 3: Cross multiply
    85,675,441.92x = 118,329,455.84 × 57,749,988.80
  4. Step 4: Simplify right side
    85,675,441.92x = 6,833,524,749,470,094
  5. Step 5: Solve for x
    x = 6,833,524,749,470,094/85,675,441.92
  6. Step 6: Final answer
    x = 79,760,601.13

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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.