Home / 79,202,866.96-118,804,395.21-21,695,633.92

Finding the Fourth Proportional to 79,202,866.96, 118,804,395.21 and 21,695,633.92

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Solution

The fourth proportional to 79,202,866.96, 118,804,395.21 and 21,695,633.92 is: 32,543,476.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,202,866.96 : 118,804,395.21 = 21,695,633.92 : x
  2. Step 2: Convert to fraction form
    79,202,866.96/118,804,395.21 = 21,695,633.92/x
  3. Step 3: Cross multiply
    79,202,866.96x = 118,804,395.21 × 21,695,633.92
  4. Step 4: Simplify right side
    79,202,866.96x = 2,577,536,666,563,161.50
  5. Step 5: Solve for x
    x = 2,577,536,666,563,161.50/79,202,866.96
  6. Step 6: Final answer
    x = 32,543,476.84

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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.