Home / 79,628,423,975.73-109,913,412,453.98-63,381,832,260.03

Finding the Fourth Proportional to 79,628,423,975.73, 109,913,412,453.98 and 63,381,832,260.03

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Solution

The fourth proportional to 79,628,423,975.73, 109,913,412,453.98 and 63,381,832,260.03 is: 87,487,772,876.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,628,423,975.73 : 109,913,412,453.98 = 63,381,832,260.03 : x
  2. Step 2: Convert to fraction form
    79,628,423,975.73/109,913,412,453.98 = 63,381,832,260.03/x
  3. Step 3: Cross multiply
    79,628,423,975.73x = 109,913,412,453.98 × 63,381,832,260.03
  4. Step 4: Simplify right side
    79,628,423,975.73x = 6,966,513,471,285,652,094,976
  5. Step 5: Solve for x
    x = 6,966,513,471,285,652,094,976/79,628,423,975.73
  6. Step 6: Final answer
    x = 87,487,772,876.29

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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.