Home / 383,670,010.05-575,505,015.08-141,427,392.45

Finding the Fourth Proportional to 383,670,010.05, 575,505,015.08 and 141,427,392.45

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Solution

The fourth proportional to 383,670,010.05, 575,505,015.08 and 141,427,392.45 is: 212,141,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,670,010.05 : 575,505,015.08 = 141,427,392.45 : x
  2. Step 2: Convert to fraction form
    383,670,010.05/575,505,015.08 = 141,427,392.45/x
  3. Step 3: Cross multiply
    383,670,010.05x = 575,505,015.08 × 141,427,392.45
  4. Step 4: Simplify right side
    383,670,010.05x = 81,392,173,623,955,184
  5. Step 5: Solve for x
    x = 81,392,173,623,955,184/383,670,010.05
  6. Step 6: Final answer
    x = 212,141,088.68

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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.