Home / 299,974,347.84-449,916,057.96-81,641,703.72

Finding the Fourth Proportional to 299,974,347.84, 449,916,057.96 and 81,641,703.72

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Solution

The fourth proportional to 299,974,347.84, 449,916,057.96 and 81,641,703.72 is: 122,450,182.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,974,347.84 : 449,916,057.96 = 81,641,703.72 : x
  2. Step 2: Convert to fraction form
    299,974,347.84/449,916,057.96 = 81,641,703.72/x
  3. Step 3: Cross multiply
    299,974,347.84x = 449,916,057.96 × 81,641,703.72
  4. Step 4: Simplify right side
    299,974,347.84x = 36,731,913,502,840,664
  5. Step 5: Solve for x
    x = 36,731,913,502,840,664/299,974,347.84
  6. Step 6: Final answer
    x = 122,450,182.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.