Home / 210,097,906.30-315,146,859.45-73,783,289.80

Finding the Fourth Proportional to 210,097,906.30, 315,146,859.45 and 73,783,289.80

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Solution

The fourth proportional to 210,097,906.30, 315,146,859.45 and 73,783,289.80 is: 110,674,934.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,097,906.30 : 315,146,859.45 = 73,783,289.80 : x
  2. Step 2: Convert to fraction form
    210,097,906.30/315,146,859.45 = 73,783,289.80/x
  3. Step 3: Cross multiply
    210,097,906.30x = 315,146,859.45 × 73,783,289.80
  4. Step 4: Simplify right side
    210,097,906.30x = 23,252,572,060,359,216
  5. Step 5: Solve for x
    x = 23,252,572,060,359,216/210,097,906.30
  6. Step 6: Final answer
    x = 110,674,934.70

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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.