Home / 210,300,347.64-290,225,622.12-126,694,796.88

Finding the Fourth Proportional to 210,300,347.64, 290,225,622.12 and 126,694,796.88

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Solution

The fourth proportional to 210,300,347.64, 290,225,622.12 and 126,694,796.88 is: 174,845,532.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,300,347.64 : 290,225,622.12 = 126,694,796.88 : x
  2. Step 2: Convert to fraction form
    210,300,347.64/290,225,622.12 = 126,694,796.88/x
  3. Step 3: Cross multiply
    210,300,347.64x = 290,225,622.12 × 126,694,796.88
  4. Step 4: Simplify right side
    210,300,347.64x = 36,770,076,243,865,032
  5. Step 5: Solve for x
    x = 36,770,076,243,865,032/210,300,347.64
  6. Step 6: Final answer
    x = 174,845,532.38

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1.5x scale

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.