Home / 144,678,123.84-199,657,210.20-78,599,094.96

Finding the Fourth Proportional to 144,678,123.84, 199,657,210.20 and 78,599,094.96

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Solution

The fourth proportional to 144,678,123.84, 199,657,210.20 and 78,599,094.96 is: 108,467,511.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,678,123.84 : 199,657,210.20 = 78,599,094.96 : x
  2. Step 2: Convert to fraction form
    144,678,123.84/199,657,210.20 = 78,599,094.96/x
  3. Step 3: Cross multiply
    144,678,123.84x = 199,657,210.20 × 78,599,094.96
  4. Step 4: Simplify right side
    144,678,123.84x = 15,692,876,023,958,478
  5. Step 5: Solve for x
    x = 15,692,876,023,958,478/144,678,123.84
  6. Step 6: Final answer
    x = 108,467,511.24

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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.