Home / 75,230,981.43-103,830,102.33-45,879,340.48

Finding the Fourth Proportional to 75,230,981.43, 103,830,102.33 and 45,879,340.48

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Solution

The fourth proportional to 75,230,981.43, 103,830,102.33 and 45,879,340.48 is: 63,320,410.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,230,981.43 : 103,830,102.33 = 45,879,340.48 : x
  2. Step 2: Convert to fraction form
    75,230,981.43/103,830,102.33 = 45,879,340.48/x
  3. Step 3: Cross multiply
    75,230,981.43x = 103,830,102.33 × 45,879,340.48
  4. Step 4: Simplify right side
    75,230,981.43x = 4,763,656,616,871,311
  5. Step 5: Solve for x
    x = 4,763,656,616,871,311/75,230,981.43
  6. Step 6: Final answer
    x = 63,320,410.37

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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.