Home / 193,088,303.80-289,968,378.90-102,389,039.80

Finding the Fourth Proportional to 193,088,303.80, 289,968,378.90 and 102,389,039.80

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Solution

The fourth proportional to 193,088,303.80, 289,968,378.90 and 102,389,039.80 is: 153,761,689.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,088,303.80 : 289,968,378.90 = 102,389,039.80 : x
  2. Step 2: Convert to fraction form
    193,088,303.80/289,968,378.90 = 102,389,039.80/x
  3. Step 3: Cross multiply
    193,088,303.80x = 289,968,378.90 × 102,389,039.80
  4. Step 4: Simplify right side
    193,088,303.80x = 29,689,583,887,933,576
  5. Step 5: Solve for x
    x = 29,689,583,887,933,576/193,088,303.80
  6. Step 6: Final answer
    x = 153,761,689.88

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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.