Home / 91,039,427.20-136,511,901.60-33,502,081.60

Finding the Fourth Proportional to 91,039,427.20, 136,511,901.60 and 33,502,081.60

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Solution

The fourth proportional to 91,039,427.20, 136,511,901.60 and 33,502,081.60 is: 50,235,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,039,427.20 : 136,511,901.60 = 33,502,081.60 : x
  2. Step 2: Convert to fraction form
    91,039,427.20/136,511,901.60 = 33,502,081.60/x
  3. Step 3: Cross multiply
    91,039,427.20x = 136,511,901.60 × 33,502,081.60
  4. Step 4: Simplify right side
    91,039,427.20x = 4,573,432,866,774,371
  5. Step 5: Solve for x
    x = 4,573,432,866,774,371/91,039,427.20
  6. Step 6: Final answer
    x = 50,235,738.60

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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.