Home / 79,921,664.55-119,809,013.63-28,791,179.19

Finding the Fourth Proportional to 79,921,664.55, 119,809,013.63 and 28,791,179.19

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Solution

The fourth proportional to 79,921,664.55, 119,809,013.63 and 28,791,179.19 is: 43,160,297.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,921,664.55 : 119,809,013.63 = 28,791,179.19 : x
  2. Step 2: Convert to fraction form
    79,921,664.55/119,809,013.63 = 28,791,179.19/x
  3. Step 3: Cross multiply
    79,921,664.55x = 119,809,013.63 × 28,791,179.19
  4. Step 4: Simplify right side
    79,921,664.55x = 3,449,442,779,854,526.50
  5. Step 5: Solve for x
    x = 3,449,442,779,854,526.50/79,921,664.55
  6. Step 6: Final answer
    x = 43,160,297.01

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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.