Home / 81,917,579.84-113,044,094.88-45,247,363.52

Finding the Fourth Proportional to 81,917,579.84, 113,044,094.88 and 45,247,363.52

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Solution

The fourth proportional to 81,917,579.84, 113,044,094.88 and 45,247,363.52 is: 62,440,165.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,917,579.84 : 113,044,094.88 = 45,247,363.52 : x
  2. Step 2: Convert to fraction form
    81,917,579.84/113,044,094.88 = 45,247,363.52/x
  3. Step 3: Cross multiply
    81,917,579.84x = 113,044,094.88 × 45,247,363.52
  4. Step 4: Simplify right side
    81,917,579.84x = 5,114,947,254,824,731
  5. Step 5: Solve for x
    x = 5,114,947,254,824,731/81,917,579.84
  6. Step 6: Final answer
    x = 62,440,165.65

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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.