Home / 78,724,045.07-108,660,790.44-45,694,935.18

Finding the Fourth Proportional to 78,724,045.07, 108,660,790.44 and 45,694,935.18

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Solution

The fourth proportional to 78,724,045.07, 108,660,790.44 and 45,694,935.18 is: 63,071,552.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,724,045.07 : 108,660,790.44 = 45,694,935.18 : x
  2. Step 2: Convert to fraction form
    78,724,045.07/108,660,790.44 = 45,694,935.18/x
  3. Step 3: Cross multiply
    78,724,045.07x = 108,660,790.44 × 45,694,935.18
  4. Step 4: Simplify right side
    78,724,045.07x = 4,965,247,775,763,364
  5. Step 5: Solve for x
    x = 4,965,247,775,763,364/78,724,045.07
  6. Step 6: Final answer
    x = 63,071,552.93

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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.