Home / 174,672,010.80-262,008,016.20-72,425,386.80

Finding the Fourth Proportional to 174,672,010.80, 262,008,016.20 and 72,425,386.80

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Solution

The fourth proportional to 174,672,010.80, 262,008,016.20 and 72,425,386.80 is: 108,638,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,672,010.80 : 262,008,016.20 = 72,425,386.80 : x
  2. Step 2: Convert to fraction form
    174,672,010.80/262,008,016.20 = 72,425,386.80/x
  3. Step 3: Cross multiply
    174,672,010.80x = 262,008,016.20 × 72,425,386.80
  4. Step 4: Simplify right side
    174,672,010.80x = 18,976,031,917,985,664
  5. Step 5: Solve for x
    x = 18,976,031,917,985,664/174,672,010.80
  6. Step 6: Final answer
    x = 108,638,080.20

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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.