Home / 117,031,852.58-161,502,177.93-64,108,137.38

Finding the Fourth Proportional to 117,031,852.58, 161,502,177.93 and 64,108,137.38

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Solution

The fourth proportional to 117,031,852.58, 161,502,177.93 and 64,108,137.38 is: 88,468,255.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,031,852.58 : 161,502,177.93 = 64,108,137.38 : x
  2. Step 2: Convert to fraction form
    117,031,852.58/161,502,177.93 = 64,108,137.38/x
  3. Step 3: Cross multiply
    117,031,852.58x = 161,502,177.93 × 64,108,137.38
  4. Step 4: Simplify right side
    117,031,852.58x = 10,353,603,809,905,644
  5. Step 5: Solve for x
    x = 10,353,603,809,905,644/117,031,852.58
  6. Step 6: Final answer
    x = 88,468,255.28

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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.