Home / 98,169,980.40-135,474,997.86-54,116,030.88

Finding the Fourth Proportional to 98,169,980.40, 135,474,997.86 and 54,116,030.88

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Solution

The fourth proportional to 98,169,980.40, 135,474,997.86 and 54,116,030.88 is: 74,680,356.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,169,980.40 : 135,474,997.86 = 54,116,030.88 : x
  2. Step 2: Convert to fraction form
    98,169,980.40/135,474,997.86 = 54,116,030.88/x
  3. Step 3: Cross multiply
    98,169,980.40x = 135,474,997.86 × 54,116,030.88
  4. Step 4: Simplify right side
    98,169,980.40x = 7,331,369,167,659,695
  5. Step 5: Solve for x
    x = 7,331,369,167,659,695/98,169,980.40
  6. Step 6: Final answer
    x = 74,680,356.84

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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.