Home / 57,135,281.94-78,847,152.03-31,029,986.48

Finding the Fourth Proportional to 57,135,281.94, 78,847,152.03 and 31,029,986.48

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Solution

The fourth proportional to 57,135,281.94, 78,847,152.03 and 31,029,986.48 is: 42,821,632.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,135,281.94 : 78,847,152.03 = 31,029,986.48 : x
  2. Step 2: Convert to fraction form
    57,135,281.94/78,847,152.03 = 31,029,986.48/x
  3. Step 3: Cross multiply
    57,135,281.94x = 78,847,152.03 × 31,029,986.48
  4. Step 4: Simplify right side
    57,135,281.94x = 2,446,626,061,083,169
  5. Step 5: Solve for x
    x = 2,446,626,061,083,169/57,135,281.94
  6. Step 6: Final answer
    x = 42,821,632.76

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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.