Home / 310,392,080.16-428,351,411.25-169,271,000.34

Finding the Fourth Proportional to 310,392,080.16, 428,351,411.25 and 169,271,000.34

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Solution

The fourth proportional to 310,392,080.16, 428,351,411.25 and 169,271,000.34 is: 233,599,619.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,392,080.16 : 428,351,411.25 = 169,271,000.34 : x
  2. Step 2: Convert to fraction form
    310,392,080.16/428,351,411.25 = 169,271,000.34/x
  3. Step 3: Cross multiply
    310,392,080.16x = 428,351,411.25 × 169,271,000.34
  4. Step 4: Simplify right side
    310,392,080.16x = 72,507,471,879,338,224
  5. Step 5: Solve for x
    x = 72,507,471,879,338,224/310,392,080.16
  6. Step 6: Final answer
    x = 233,599,619.69

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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.