Home / 106,997,031.36-160,264,945.22-72,262,431.34

Finding the Fourth Proportional to 106,997,031.36, 160,264,945.22 and 72,262,431.34

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Solution

The fourth proportional to 106,997,031.36, 160,264,945.22 and 72,262,431.34 is: 108,237,905.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,997,031.36 : 160,264,945.22 = 72,262,431.34 : x
  2. Step 2: Convert to fraction form
    106,997,031.36/160,264,945.22 = 72,262,431.34/x
  3. Step 3: Cross multiply
    106,997,031.36x = 160,264,945.22 × 72,262,431.34
  4. Step 4: Simplify right side
    106,997,031.36x = 11,581,134,600,169,112
  5. Step 5: Solve for x
    x = 11,581,134,600,169,112/106,997,031.36
  6. Step 6: Final answer
    x = 108,237,905.79

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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.