Home / 310,764,194.46-428,854,631.04-171,534,985.74

Finding the Fourth Proportional to 310,764,194.46, 428,854,631.04 and 171,534,985.74

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Solution

The fourth proportional to 310,764,194.46, 428,854,631.04 and 171,534,985.74 is: 236,718,303.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,764,194.46 : 428,854,631.04 = 171,534,985.74 : x
  2. Step 2: Convert to fraction form
    310,764,194.46/428,854,631.04 = 171,534,985.74/x
  3. Step 3: Cross multiply
    310,764,194.46x = 428,854,631.04 × 171,534,985.74
  4. Step 4: Simplify right side
    310,764,194.46x = 73,563,573,019,979,376
  5. Step 5: Solve for x
    x = 73,563,573,019,979,376/310,764,194.46
  6. Step 6: Final answer
    x = 236,718,303.88

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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.