Home / 66,394,278.40-99,574,828.80-25,444,825.60

Finding the Fourth Proportional to 66,394,278.40, 99,574,828.80 and 25,444,825.60

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Solution

The fourth proportional to 66,394,278.40, 99,574,828.80 and 25,444,825.60 is: 38,160,880.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,394,278.40 : 99,574,828.80 = 25,444,825.60 : x
  2. Step 2: Convert to fraction form
    66,394,278.40/99,574,828.80 = 25,444,825.60/x
  3. Step 3: Cross multiply
    66,394,278.40x = 99,574,828.80 × 25,444,825.60
  4. Step 4: Simplify right side
    66,394,278.40x = 2,533,664,152,965,857.50
  5. Step 5: Solve for x
    x = 2,533,664,152,965,857.50/66,394,278.40
  6. Step 6: Final answer
    x = 38,160,880.94

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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.