Home / 78,573,331.94-108,433,645.79-45,088,942.82

Finding the Fourth Proportional to 78,573,331.94, 108,433,645.79 and 45,088,942.82

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Solution

The fourth proportional to 78,573,331.94, 108,433,645.79 and 45,088,942.82 is: 62,224,145.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,573,331.94 : 108,433,645.79 = 45,088,942.82 : x
  2. Step 2: Convert to fraction form
    78,573,331.94/108,433,645.79 = 45,088,942.82/x
  3. Step 3: Cross multiply
    78,573,331.94x = 108,433,645.79 × 45,088,942.82
  4. Step 4: Simplify right side
    78,573,331.94x = 4,889,158,454,021,830
  5. Step 5: Solve for x
    x = 4,889,158,454,021,830/78,573,331.94
  6. Step 6: Final answer
    x = 62,224,145.69

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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.