Home / 143,450,178.89-197,955,380.45-84,731,853.29

Finding the Fourth Proportional to 143,450,178.89, 197,955,380.45 and 84,731,853.29

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Solution

The fourth proportional to 143,450,178.89, 197,955,380.45 and 84,731,853.29 is: 116,926,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,450,178.89 : 197,955,380.45 = 84,731,853.29 : x
  2. Step 2: Convert to fraction form
    143,450,178.89/197,955,380.45 = 84,731,853.29/x
  3. Step 3: Cross multiply
    143,450,178.89x = 197,955,380.45 × 84,731,853.29
  4. Step 4: Simplify right side
    143,450,178.89x = 16,773,126,253,477,584
  5. Step 5: Solve for x
    x = 16,773,126,253,477,584/143,450,178.89
  6. Step 6: Final answer
    x = 116,926,492.42

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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.