Home / 108,109,900.47-149,190,923.20-58,549,134.35

Finding the Fourth Proportional to 108,109,900.47, 149,190,923.20 and 58,549,134.35

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Solution

The fourth proportional to 108,109,900.47, 149,190,923.20 and 58,549,134.35 is: 80,797,404.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,109,900.47 : 149,190,923.20 = 58,549,134.35 : x
  2. Step 2: Convert to fraction form
    108,109,900.47/149,190,923.20 = 58,549,134.35/x
  3. Step 3: Cross multiply
    108,109,900.47x = 149,190,923.20 × 58,549,134.35
  4. Step 4: Simplify right side
    108,109,900.47x = 8,734,999,405,944,586
  5. Step 5: Solve for x
    x = 8,734,999,405,944,586/108,109,900.47
  6. Step 6: Final answer
    x = 80,797,404.94

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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.