Home / 135,433,071.46-186,909,165.53-76,706,183.76

Finding the Fourth Proportional to 135,433,071.46, 186,909,165.53 and 76,706,183.76

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Solution

The fourth proportional to 135,433,071.46, 186,909,165.53 and 76,706,183.76 is: 105,861,062.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,433,071.46 : 186,909,165.53 = 76,706,183.76 : x
  2. Step 2: Convert to fraction form
    135,433,071.46/186,909,165.53 = 76,706,183.76/x
  3. Step 3: Cross multiply
    135,433,071.46x = 186,909,165.53 × 76,706,183.76
  4. Step 4: Simplify right side
    135,433,071.46x = 14,337,088,797,572,438
  5. Step 5: Solve for x
    x = 14,337,088,797,572,438/135,433,071.46
  6. Step 6: Final answer
    x = 105,861,062.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.