Home / 143,395,589,001.48-197,975,218,836.90-91,281,724,191.30

Finding the Fourth Proportional to 143,395,589,001.48, 197,975,218,836.90 and 91,281,724,191.30

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Solution

The fourth proportional to 143,395,589,001.48, 197,975,218,836.90 and 91,281,724,191.30 is: 126,025,629,159.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,395,589,001.48 : 197,975,218,836.90 = 91,281,724,191.30 : x
  2. Step 2: Convert to fraction form
    143,395,589,001.48/197,975,218,836.90 = 91,281,724,191.30/x
  3. Step 3: Cross multiply
    143,395,589,001.48x = 197,975,218,836.90 × 91,281,724,191.30
  4. Step 4: Simplify right side
    143,395,589,001.48x = 18,071,519,322,582,166,798,336
  5. Step 5: Solve for x
    x = 18,071,519,322,582,166,798,336/143,395,589,001.48
  6. Step 6: Final answer
    x = 126,025,629,159.32

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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.