Home / 210,300,335.64-290,225,605.50-126,694,784.88

Finding the Fourth Proportional to 210,300,335.64, 290,225,605.50 and 126,694,784.88

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Solution

The fourth proportional to 210,300,335.64, 290,225,605.50 and 126,694,784.88 is: 174,845,515.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,300,335.64 : 290,225,605.50 = 126,694,784.88 : x
  2. Step 2: Convert to fraction form
    210,300,335.64/290,225,605.50 = 126,694,784.88/x
  3. Step 3: Cross multiply
    210,300,335.64x = 290,225,605.50 × 126,694,784.88
  4. Step 4: Simplify right side
    210,300,335.64x = 36,770,070,655,490,240
  5. Step 5: Solve for x
    x = 36,770,070,655,490,240/210,300,335.64
  6. Step 6: Final answer
    x = 174,845,515.79

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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.