Home / 193,088,140.80-289,968,134.40-102,388,876.80

Finding the Fourth Proportional to 193,088,140.80, 289,968,134.40 and 102,388,876.80

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Solution

The fourth proportional to 193,088,140.80, 289,968,134.40 and 102,388,876.80 is: 153,761,445.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,088,140.80 : 289,968,134.40 = 102,388,876.80 : x
  2. Step 2: Convert to fraction form
    193,088,140.80/289,968,134.40 = 102,388,876.80/x
  3. Step 3: Cross multiply
    193,088,140.80x = 289,968,134.40 × 102,388,876.80
  4. Step 4: Simplify right side
    193,088,140.80x = 29,689,511,589,007,440
  5. Step 5: Solve for x
    x = 29,689,511,589,007,440/193,088,140.80
  6. Step 6: Final answer
    x = 153,761,445.24

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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.