Home / 115,288,184.90-172,935,580.30-45,255,498.86

Finding the Fourth Proportional to 115,288,184.90, 172,935,580.30 and 45,255,498.86

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Solution

The fourth proportional to 115,288,184.90, 172,935,580.30 and 45,255,498.86 is: 67,884,544.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,288,184.90 : 172,935,580.30 = 45,255,498.86 : x
  2. Step 2: Convert to fraction form
    115,288,184.90/172,935,580.30 = 45,255,498.86/x
  3. Step 3: Cross multiply
    115,288,184.90x = 172,935,580.30 × 45,255,498.86
  4. Step 4: Simplify right side
    115,288,184.90x = 7,826,285,957,120,089
  5. Step 5: Solve for x
    x = 7,826,285,957,120,089/115,288,184.90
  6. Step 6: Final answer
    x = 67,884,544.84

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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.