Home / 119,031,077.31-164,264,917.47-65,388,000.45

Finding the Fourth Proportional to 119,031,077.31, 164,264,917.47 and 65,388,000.45

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Solution

The fourth proportional to 119,031,077.31, 164,264,917.47 and 65,388,000.45 is: 90,236,556.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,031,077.31 : 164,264,917.47 = 65,388,000.45 : x
  2. Step 2: Convert to fraction form
    119,031,077.31/164,264,917.47 = 65,388,000.45/x
  3. Step 3: Cross multiply
    119,031,077.31x = 164,264,917.47 × 65,388,000.45
  4. Step 4: Simplify right side
    119,031,077.31x = 10,740,954,496,586,374
  5. Step 5: Solve for x
    x = 10,740,954,496,586,374/119,031,077.31
  6. Step 6: Final answer
    x = 90,236,556.19

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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.