Home / 234,265,014.51-323,281,095.78-128,418,657.84

Finding the Fourth Proportional to 234,265,014.51, 323,281,095.78 and 128,418,657.84

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Solution

The fourth proportional to 234,265,014.51, 323,281,095.78 and 128,418,657.84 is: 177,215,212.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,265,014.51 : 323,281,095.78 = 128,418,657.84 : x
  2. Step 2: Convert to fraction form
    234,265,014.51/323,281,095.78 = 128,418,657.84/x
  3. Step 3: Cross multiply
    234,265,014.51x = 323,281,095.78 × 128,418,657.84
  4. Step 4: Simplify right side
    234,265,014.51x = 41,515,324,425,112,088
  5. Step 5: Solve for x
    x = 41,515,324,425,112,088/234,265,014.51
  6. Step 6: Final answer
    x = 177,215,212.92

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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.