Home / 45,507,890.34-68,310,412.02-19,612,970.64

Finding the Fourth Proportional to 45,507,890.34, 68,310,412.02 and 19,612,970.64

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Solution

The fourth proportional to 45,507,890.34, 68,310,412.02 and 19,612,970.64 is: 29,440,391.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,507,890.34 : 68,310,412.02 = 19,612,970.64 : x
  2. Step 2: Convert to fraction form
    45,507,890.34/68,310,412.02 = 19,612,970.64/x
  3. Step 3: Cross multiply
    45,507,890.34x = 68,310,412.02 × 19,612,970.64
  4. Step 4: Simplify right side
    45,507,890.34x = 1,339,770,105,354,563
  5. Step 5: Solve for x
    x = 1,339,770,105,354,563/45,507,890.34
  6. Step 6: Final answer
    x = 29,440,391.44

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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.