Home / 75,230,982.43-103,830,103.71-45,879,341.48

Finding the Fourth Proportional to 75,230,982.43, 103,830,103.71 and 45,879,341.48

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Solution

The fourth proportional to 75,230,982.43, 103,830,103.71 and 45,879,341.48 is: 63,320,411.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,230,982.43 : 103,830,103.71 = 45,879,341.48 : x
  2. Step 2: Convert to fraction form
    75,230,982.43/103,830,103.71 = 45,879,341.48/x
  3. Step 3: Cross multiply
    75,230,982.43x = 103,830,103.71 × 45,879,341.48
  4. Step 4: Simplify right side
    75,230,982.43x = 4,763,656,784,014,904
  5. Step 5: Solve for x
    x = 4,763,656,784,014,904/75,230,982.43
  6. Step 6: Final answer
    x = 63,320,411.75

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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.