Home / 89,079,682.60-133,619,523.90-74,730,775.60

Finding the Fourth Proportional to 89,079,682.60, 133,619,523.90 and 74,730,775.60

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Solution

The fourth proportional to 89,079,682.60, 133,619,523.90 and 74,730,775.60 is: 112,096,163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,079,682.60 : 133,619,523.90 = 74,730,775.60 : x
  2. Step 2: Convert to fraction form
    89,079,682.60/133,619,523.90 = 74,730,775.60/x
  3. Step 3: Cross multiply
    89,079,682.60x = 133,619,523.90 × 74,730,775.60
  4. Step 4: Simplify right side
    89,079,682.60x = 9,985,490,656,349,736
  5. Step 5: Solve for x
    x = 9,985,490,656,349,736/89,079,682.60
  6. Step 6: Final answer
    x = 112,096,163.40

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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.