Home / 228,080,267.76-314,757,409.40-128,958,887.01

Finding the Fourth Proportional to 228,080,267.76, 314,757,409.40 and 128,958,887.01

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Solution

The fourth proportional to 228,080,267.76, 314,757,409.40 and 128,958,887.01 is: 177,967,018.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,080,267.76 : 314,757,409.40 = 128,958,887.01 : x
  2. Step 2: Convert to fraction form
    228,080,267.76/314,757,409.40 = 128,958,887.01/x
  3. Step 3: Cross multiply
    228,080,267.76x = 314,757,409.40 × 128,958,887.01
  4. Step 4: Simplify right side
    228,080,267.76x = 40,590,765,194,374,912
  5. Step 5: Solve for x
    x = 40,590,765,194,374,912/228,080,267.76
  6. Step 6: Final answer
    x = 177,967,018.34

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1.5x scale

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.