Home / 125,208,010.40-187,812,015.60-34,340,784.80

Finding the Fourth Proportional to 125,208,010.40, 187,812,015.60 and 34,340,784.80

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Solution

The fourth proportional to 125,208,010.40, 187,812,015.60 and 34,340,784.80 is: 51,511,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,208,010.40 : 187,812,015.60 = 34,340,784.80 : x
  2. Step 2: Convert to fraction form
    125,208,010.40/187,812,015.60 = 34,340,784.80/x
  3. Step 3: Cross multiply
    125,208,010.40x = 187,812,015.60 × 34,340,784.80
  4. Step 4: Simplify right side
    125,208,010.40x = 6,449,612,010,573,842
  5. Step 5: Solve for x
    x = 6,449,612,010,573,842/125,208,010.40
  6. Step 6: Final answer
    x = 51,511,177.20

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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.