Home / 251,978,150.40-377,967,225.60-70,225,328.40

Finding the Fourth Proportional to 251,978,150.40, 377,967,225.60 and 70,225,328.40

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Solution

The fourth proportional to 251,978,150.40, 377,967,225.60 and 70,225,328.40 is: 105,337,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,978,150.40 : 377,967,225.60 = 70,225,328.40 : x
  2. Step 2: Convert to fraction form
    251,978,150.40/377,967,225.60 = 70,225,328.40/x
  3. Step 3: Cross multiply
    251,978,150.40x = 377,967,225.60 × 70,225,328.40
  4. Step 4: Simplify right side
    251,978,150.40x = 26,542,872,542,196,892
  5. Step 5: Solve for x
    x = 26,542,872,542,196,892/251,978,150.40
  6. Step 6: Final answer
    x = 105,337,992.60

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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.