Home / 57,920,465.60-86,855,037.60-19,571,566.40

Finding the Fourth Proportional to 57,920,465.60, 86,855,037.60 and 19,571,566.40

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Solution

The fourth proportional to 57,920,465.60, 86,855,037.60 and 19,571,566.40 is: 29,348,678.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,920,465.60 : 86,855,037.60 = 19,571,566.40 : x
  2. Step 2: Convert to fraction form
    57,920,465.60/86,855,037.60 = 19,571,566.40/x
  3. Step 3: Cross multiply
    57,920,465.60x = 86,855,037.60 × 19,571,566.40
  4. Step 4: Simplify right side
    57,920,465.60x = 1,699,889,135,562,896.50
  5. Step 5: Solve for x
    x = 1,699,889,135,562,896.50/57,920,465.60
  6. Step 6: Final answer
    x = 29,348,678.71

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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.