Home / 193,088,141.80-289,968,135.90-102,388,877.80

Finding the Fourth Proportional to 193,088,141.80, 289,968,135.90 and 102,388,877.80

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Solution

The fourth proportional to 193,088,141.80, 289,968,135.90 and 102,388,877.80 is: 153,761,446.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,088,141.80 : 289,968,135.90 = 102,388,877.80 : x
  2. Step 2: Convert to fraction form
    193,088,141.80/289,968,135.90 = 102,388,877.80/x
  3. Step 3: Cross multiply
    193,088,141.80x = 289,968,135.90 × 102,388,877.80
  4. Step 4: Simplify right side
    193,088,141.80x = 29,689,512,032,558,888
  5. Step 5: Solve for x
    x = 29,689,512,032,558,888/193,088,141.80
  6. Step 6: Final answer
    x = 153,761,446.75

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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.