Home / 259,137,795.20-388,408,094.40-105,683,100.80

Finding the Fourth Proportional to 259,137,795.20, 388,408,094.40 and 105,683,100.80

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Solution

The fourth proportional to 259,137,795.20, 388,408,094.40 and 105,683,100.80 is: 158,402,875.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,137,795.20 : 388,408,094.40 = 105,683,100.80 : x
  2. Step 2: Convert to fraction form
    259,137,795.20/388,408,094.40 = 105,683,100.80/x
  3. Step 3: Cross multiply
    259,137,795.20x = 388,408,094.40 × 105,683,100.80
  4. Step 4: Simplify right side
    259,137,795.20x = 41,048,171,792,011,112
  5. Step 5: Solve for x
    x = 41,048,171,792,011,112/259,137,795.20
  6. Step 6: Final answer
    x = 158,402,875.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.