Home / 52,086,166.98-78,121,645.28-15,188,141.82

Finding the Fourth Proportional to 52,086,166.98, 78,121,645.28 and 15,188,141.82

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Solution

The fourth proportional to 52,086,166.98, 78,121,645.28 and 15,188,141.82 is: 22,779,995.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,086,166.98 : 78,121,645.28 = 15,188,141.82 : x
  2. Step 2: Convert to fraction form
    52,086,166.98/78,121,645.28 = 15,188,141.82/x
  3. Step 3: Cross multiply
    52,086,166.98x = 78,121,645.28 × 15,188,141.82
  4. Step 4: Simplify right side
    52,086,166.98x = 1,186,522,627,724,373.75
  5. Step 5: Solve for x
    x = 1,186,522,627,724,373.75/52,086,166.98
  6. Step 6: Final answer
    x = 22,779,995.08

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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.