Home / 107,778,598.35-148,734,520.05-58,218,969.48

Finding the Fourth Proportional to 107,778,598.35, 148,734,520.05 and 58,218,969.48

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Solution

The fourth proportional to 107,778,598.35, 148,734,520.05 and 58,218,969.48 is: 80,342,207.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,778,598.35 : 148,734,520.05 = 58,218,969.48 : x
  2. Step 2: Convert to fraction form
    107,778,598.35/148,734,520.05 = 58,218,969.48/x
  3. Step 3: Cross multiply
    107,778,598.35x = 148,734,520.05 × 58,218,969.48
  4. Step 4: Simplify right side
    107,778,598.35x = 8,659,170,483,413,398
  5. Step 5: Solve for x
    x = 8,659,170,483,413,398/107,778,598.35
  6. Step 6: Final answer
    x = 80,342,207.23

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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.