Home / 75,428,133,902.56-113,049,034,956.24-64,729,153,892.12

Finding the Fourth Proportional to 75,428,133,902.56, 113,049,034,956.24 and 64,729,153,892.12

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Solution

The fourth proportional to 75,428,133,902.56, 113,049,034,956.24 and 64,729,153,892.12 is: 97,013,779,904.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,428,133,902.56 : 113,049,034,956.24 = 64,729,153,892.12 : x
  2. Step 2: Convert to fraction form
    75,428,133,902.56/113,049,034,956.24 = 64,729,153,892.12/x
  3. Step 3: Cross multiply
    75,428,133,902.56x = 113,049,034,956.24 × 64,729,153,892.12
  4. Step 4: Simplify right side
    75,428,133,902.56x = 7,317,568,381,038,113,062,912
  5. Step 5: Solve for x
    x = 7,317,568,381,038,113,062,912/75,428,133,902.56
  6. Step 6: Final answer
    x = 97,013,779,904.61

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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.