Home / 132,693,457.60-198,958,071.72-51,819,325.12

Finding the Fourth Proportional to 132,693,457.60, 198,958,071.72 and 51,819,325.12

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Solution

The fourth proportional to 132,693,457.60, 198,958,071.72 and 51,819,325.12 is: 77,696,920.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,693,457.60 : 198,958,071.72 = 51,819,325.12 : x
  2. Step 2: Convert to fraction form
    132,693,457.60/198,958,071.72 = 51,819,325.12/x
  3. Step 3: Cross multiply
    132,693,457.60x = 198,958,071.72 × 51,819,325.12
  4. Step 4: Simplify right side
    132,693,457.60x = 10,309,873,003,706,958
  5. Step 5: Solve for x
    x = 10,309,873,003,706,958/132,693,457.60
  6. Step 6: Final answer
    x = 77,696,920.33

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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.