Home / 257,111,162.98-354,835,287.16-145,621,836.88

Finding the Fourth Proportional to 257,111,162.98, 354,835,287.16 and 145,621,836.88

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Solution

The fourth proportional to 257,111,162.98, 354,835,287.16 and 145,621,836.88 is: 200,970,528.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,111,162.98 : 354,835,287.16 = 145,621,836.88 : x
  2. Step 2: Convert to fraction form
    257,111,162.98/354,835,287.16 = 145,621,836.88/x
  3. Step 3: Cross multiply
    257,111,162.98x = 354,835,287.16 × 145,621,836.88
  4. Step 4: Simplify right side
    257,111,162.98x = 51,671,766,304,830,336
  5. Step 5: Solve for x
    x = 51,671,766,304,830,336/257,111,162.98
  6. Step 6: Final answer
    x = 200,970,528.49

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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.