Home / 78,951,095.16-108,919,148.94-52,854,021.06

Finding the Fourth Proportional to 78,951,095.16, 108,919,148.94 and 52,854,021.06

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Solution

The fourth proportional to 78,951,095.16, 108,919,148.94 and 52,854,021.06 is: 72,916,214.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,951,095.16 : 108,919,148.94 = 52,854,021.06 : x
  2. Step 2: Convert to fraction form
    78,951,095.16/108,919,148.94 = 52,854,021.06/x
  3. Step 3: Cross multiply
    78,951,095.16x = 108,919,148.94 × 52,854,021.06
  4. Step 4: Simplify right side
    78,951,095.16x = 5,756,814,991,912,037
  5. Step 5: Solve for x
    x = 5,756,814,991,912,037/78,951,095.16
  6. Step 6: Final answer
    x = 72,916,214.53

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