Home / 160,357,189.45-221,292,921.45-87,018,331.45

Finding the Fourth Proportional to 160,357,189.45, 221,292,921.45 and 87,018,331.45

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Solution

The fourth proportional to 160,357,189.45, 221,292,921.45 and 87,018,331.45 is: 120,085,297.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,357,189.45 : 221,292,921.45 = 87,018,331.45 : x
  2. Step 2: Convert to fraction form
    160,357,189.45/221,292,921.45 = 87,018,331.45/x
  3. Step 3: Cross multiply
    160,357,189.45x = 221,292,921.45 × 87,018,331.45
  4. Step 4: Simplify right side
    160,357,189.45x = 19,256,540,786,274,916
  5. Step 5: Solve for x
    x = 19,256,540,786,274,916/160,357,189.45
  6. Step 6: Final answer
    x = 120,085,297.41

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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.