Home / 233,142,175.07-321,620,052.34-138,989,979.28

Finding the Fourth Proportional to 233,142,175.07, 321,620,052.34 and 138,989,979.28

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Solution

The fourth proportional to 233,142,175.07, 321,620,052.34 and 138,989,979.28 is: 191,736,927.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,142,175.07 : 321,620,052.34 = 138,989,979.28 : x
  2. Step 2: Convert to fraction form
    233,142,175.07/321,620,052.34 = 138,989,979.28/x
  3. Step 3: Cross multiply
    233,142,175.07x = 321,620,052.34 × 138,989,979.28
  4. Step 4: Simplify right side
    233,142,175.07x = 44,701,964,409,754,080
  5. Step 5: Solve for x
    x = 44,701,964,409,754,080/233,142,175.07
  6. Step 6: Final answer
    x = 191,736,927.89

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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.