Home / 236,346,331.32-326,212,356.78-138,592,680.12

Finding the Fourth Proportional to 236,346,331.32, 326,212,356.78 and 138,592,680.12

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Solution

The fourth proportional to 236,346,331.32, 326,212,356.78 and 138,592,680.12 is: 191,289,810.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,346,331.32 : 326,212,356.78 = 138,592,680.12 : x
  2. Step 2: Convert to fraction form
    236,346,331.32/326,212,356.78 = 138,592,680.12/x
  3. Step 3: Cross multiply
    236,346,331.32x = 326,212,356.78 × 138,592,680.12
  4. Step 4: Simplify right side
    236,346,331.32x = 45,210,644,814,401,848
  5. Step 5: Solve for x
    x = 45,210,644,814,401,848/236,346,331.32
  6. Step 6: Final answer
    x = 191,289,810.01

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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.