Home / 71,209,779.54-98,273,614.26-39,847,554.78

Finding the Fourth Proportional to 71,209,779.54, 98,273,614.26 and 39,847,554.78

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Solution

The fourth proportional to 71,209,779.54, 98,273,614.26 and 39,847,554.78 is: 54,991,930.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,209,779.54 : 98,273,614.26 = 39,847,554.78 : x
  2. Step 2: Convert to fraction form
    71,209,779.54/98,273,614.26 = 39,847,554.78/x
  3. Step 3: Cross multiply
    71,209,779.54x = 98,273,614.26 × 39,847,554.78
  4. Step 4: Simplify right side
    71,209,779.54x = 3,915,963,227,653,939.50
  5. Step 5: Solve for x
    x = 3,915,963,227,653,939.50/71,209,779.54
  6. Step 6: Final answer
    x = 54,991,930.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.