Home / 310,144,393.88-427,999,352.48-169,015,653.06

Finding the Fourth Proportional to 310,144,393.88, 427,999,352.48 and 169,015,653.06

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Solution

The fourth proportional to 310,144,393.88, 427,999,352.48 and 169,015,653.06 is: 233,241,649.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,144,393.88 : 427,999,352.48 = 169,015,653.06 : x
  2. Step 2: Convert to fraction form
    310,144,393.88/427,999,352.48 = 169,015,653.06/x
  3. Step 3: Cross multiply
    310,144,393.88x = 427,999,352.48 × 169,015,653.06
  4. Step 4: Simplify right side
    310,144,393.88x = 72,338,590,068,664,336
  5. Step 5: Solve for x
    x = 72,338,590,068,664,336/310,144,393.88
  6. Step 6: Final answer
    x = 233,241,649.68

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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.