Home / 53,281,087.20-79,872,642-19,194,096.96

Finding the Fourth Proportional to 53,281,087.20, 79,872,642 and 19,194,096.96

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Solution

The fourth proportional to 53,281,087.20, 79,872,642 and 19,194,096.96 is: 28,773,497.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,281,087.20 : 79,872,642 = 19,194,096.96 : x
  2. Step 2: Convert to fraction form
    53,281,087.20/79,872,642 = 19,194,096.96/x
  3. Step 3: Cross multiply
    53,281,087.20x = 79,872,642 × 19,194,096.96
  4. Step 4: Simplify right side
    53,281,087.20x = 1,533,083,234,999,368.50
  5. Step 5: Solve for x
    x = 1,533,083,234,999,368.50/53,281,087.20
  6. Step 6: Final answer
    x = 28,773,497.61

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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.