Home / 78,824,587.76-108,776,903.64-44,017,889.84

Finding the Fourth Proportional to 78,824,587.76, 108,776,903.64 and 44,017,889.84

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Solution

The fourth proportional to 78,824,587.76, 108,776,903.64 and 44,017,889.84 is: 60,744,114.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,824,587.76 : 108,776,903.64 = 44,017,889.84 : x
  2. Step 2: Convert to fraction form
    78,824,587.76/108,776,903.64 = 44,017,889.84/x
  3. Step 3: Cross multiply
    78,824,587.76x = 108,776,903.64 × 44,017,889.84
  4. Step 4: Simplify right side
    78,824,587.76x = 4,788,129,761,561,815
  5. Step 5: Solve for x
    x = 4,788,129,761,561,815/78,824,587.76
  6. Step 6: Final answer
    x = 60,744,114.21

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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.