Home / 85,954,830.30-128,932,245.45-58,745,051.10

Finding the Fourth Proportional to 85,954,830.30, 128,932,245.45 and 58,745,051.10

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Solution

The fourth proportional to 85,954,830.30, 128,932,245.45 and 58,745,051.10 is: 88,117,576.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,954,830.30 : 128,932,245.45 = 58,745,051.10 : x
  2. Step 2: Convert to fraction form
    85,954,830.30/128,932,245.45 = 58,745,051.10/x
  3. Step 3: Cross multiply
    85,954,830.30x = 128,932,245.45 × 58,745,051.10
  4. Step 4: Simplify right side
    85,954,830.30x = 7,574,131,347,397,993
  5. Step 5: Solve for x
    x = 7,574,131,347,397,993/85,954,830.30
  6. Step 6: Final answer
    x = 88,117,576.65

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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.