Home / 310,392,051.63-428,351,371.83-169,270,971.81

Finding the Fourth Proportional to 310,392,051.63, 428,351,371.83 and 169,270,971.81

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Solution

The fourth proportional to 310,392,051.63, 428,351,371.83 and 169,270,971.81 is: 233,599,580.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,392,051.63 : 428,351,371.83 = 169,270,971.81 : x
  2. Step 2: Convert to fraction form
    310,392,051.63/428,351,371.83 = 169,270,971.81/x
  3. Step 3: Cross multiply
    310,392,051.63x = 428,351,371.83 × 169,270,971.81
  4. Step 4: Simplify right side
    310,392,051.63x = 72,507,452,985,810,752
  5. Step 5: Solve for x
    x = 72,507,452,985,810,752/310,392,051.63
  6. Step 6: Final answer
    x = 233,599,580.29

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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.