Home / 186,625,610.40-279,938,415.60-78,920,234.40

Finding the Fourth Proportional to 186,625,610.40, 279,938,415.60 and 78,920,234.40

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Solution

The fourth proportional to 186,625,610.40, 279,938,415.60 and 78,920,234.40 is: 118,380,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,625,610.40 : 279,938,415.60 = 78,920,234.40 : x
  2. Step 2: Convert to fraction form
    186,625,610.40/279,938,415.60 = 78,920,234.40/x
  3. Step 3: Cross multiply
    186,625,610.40x = 279,938,415.60 × 78,920,234.40
  4. Step 4: Simplify right side
    186,625,610.40x = 22,092,805,376,716,620
  5. Step 5: Solve for x
    x = 22,092,805,376,716,620/186,625,610.40
  6. Step 6: Final answer
    x = 118,380,351.60

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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.