Home / 78,888,692.70-108,877,210.44-45,397,483.79

Finding the Fourth Proportional to 78,888,692.70, 108,877,210.44 and 45,397,483.79

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Solution

The fourth proportional to 78,888,692.70, 108,877,210.44 and 45,397,483.79 is: 62,654,750.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,888,692.70 : 108,877,210.44 = 45,397,483.79 : x
  2. Step 2: Convert to fraction form
    78,888,692.70/108,877,210.44 = 45,397,483.79/x
  3. Step 3: Cross multiply
    78,888,692.70x = 108,877,210.44 × 45,397,483.79
  4. Step 4: Simplify right side
    78,888,692.70x = 4,942,751,395,505,932
  5. Step 5: Solve for x
    x = 4,942,751,395,505,932/78,888,692.70
  6. Step 6: Final answer
    x = 62,654,750.97

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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.