Home / 55,782,002.70-83,673,004.05-42,177,113.10

Finding the Fourth Proportional to 55,782,002.70, 83,673,004.05 and 42,177,113.10

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Solution

The fourth proportional to 55,782,002.70, 83,673,004.05 and 42,177,113.10 is: 63,265,669.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,782,002.70 : 83,673,004.05 = 42,177,113.10 : x
  2. Step 2: Convert to fraction form
    55,782,002.70/83,673,004.05 = 42,177,113.10/x
  3. Step 3: Cross multiply
    55,782,002.70x = 83,673,004.05 × 42,177,113.10
  4. Step 4: Simplify right side
    55,782,002.70x = 3,529,085,755,233,608
  5. Step 5: Solve for x
    x = 3,529,085,755,233,608/55,782,002.70
  6. Step 6: Final answer
    x = 63,265,669.65

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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.