Home / 259,018,490.40-388,023,850.80-156,477,933.60

Finding the Fourth Proportional to 259,018,490.40, 388,023,850.80 and 156,477,933.60

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Solution

The fourth proportional to 259,018,490.40, 388,023,850.80 and 156,477,933.60 is: 234,412,494.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,018,490.40 : 388,023,850.80 = 156,477,933.60 : x
  2. Step 2: Convert to fraction form
    259,018,490.40/388,023,850.80 = 156,477,933.60/x
  3. Step 3: Cross multiply
    259,018,490.40x = 388,023,850.80 × 156,477,933.60
  4. Step 4: Simplify right side
    259,018,490.40x = 60,717,170,360,698,704
  5. Step 5: Solve for x
    x = 60,717,170,360,698,704/259,018,490.40
  6. Step 6: Final answer
    x = 234,412,494.13

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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.