Home / 66,010,485.73-98,975,372.28-31,477,449.55

Finding the Fourth Proportional to 66,010,485.73, 98,975,372.28 and 31,477,449.55

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Solution

The fourth proportional to 66,010,485.73, 98,975,372.28 and 31,477,449.55 is: 47,196,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,010,485.73 : 98,975,372.28 = 31,477,449.55 : x
  2. Step 2: Convert to fraction form
    66,010,485.73/98,975,372.28 = 31,477,449.55/x
  3. Step 3: Cross multiply
    66,010,485.73x = 98,975,372.28 × 31,477,449.55
  4. Step 4: Simplify right side
    66,010,485.73x = 3,115,492,287,141,292
  5. Step 5: Solve for x
    x = 3,115,492,287,141,292/66,010,485.73
  6. Step 6: Final answer
    x = 47,196,930.20

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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.