Home / 132,647,779.28-183,054,661.60-76,926,237.12

Finding the Fourth Proportional to 132,647,779.28, 183,054,661.60 and 76,926,237.12

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Solution

The fourth proportional to 132,647,779.28, 183,054,661.60 and 76,926,237.12 is: 106,158,628.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,647,779.28 : 183,054,661.60 = 76,926,237.12 : x
  2. Step 2: Convert to fraction form
    132,647,779.28/183,054,661.60 = 76,926,237.12/x
  3. Step 3: Cross multiply
    132,647,779.28x = 183,054,661.60 × 76,926,237.12
  4. Step 4: Simplify right side
    132,647,779.28x = 14,081,706,304,162,960
  5. Step 5: Solve for x
    x = 14,081,706,304,162,960/132,647,779.28
  6. Step 6: Final answer
    x = 106,158,628.37

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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.