Home / 172,615,093.68-238,212,340.80-94,303,719.40

Finding the Fourth Proportional to 172,615,093.68, 238,212,340.80 and 94,303,719.40

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Solution

The fourth proportional to 172,615,093.68, 238,212,340.80 and 94,303,719.40 is: 130,141,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,615,093.68 : 238,212,340.80 = 94,303,719.40 : x
  2. Step 2: Convert to fraction form
    172,615,093.68/238,212,340.80 = 94,303,719.40/x
  3. Step 3: Cross multiply
    172,615,093.68x = 238,212,340.80 × 94,303,719.40
  4. Step 4: Simplify right side
    172,615,093.68x = 22,464,309,744,420,376
  5. Step 5: Solve for x
    x = 22,464,309,744,420,376/172,615,093.68
  6. Step 6: Final answer
    x = 130,141,051.20

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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.