Home / 79,202,811.27-118,804,311.65-21,695,578.23

Finding the Fourth Proportional to 79,202,811.27, 118,804,311.65 and 21,695,578.23

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Solution

The fourth proportional to 79,202,811.27, 118,804,311.65 and 21,695,578.23 is: 32,543,393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,202,811.27 : 118,804,311.65 = 21,695,578.23 : x
  2. Step 2: Convert to fraction form
    79,202,811.27/118,804,311.65 = 21,695,578.23/x
  3. Step 3: Cross multiply
    79,202,811.27x = 118,804,311.65 × 21,695,578.23
  4. Step 4: Simplify right side
    79,202,811.27x = 2,577,528,237,355,397.50
  5. Step 5: Solve for x
    x = 2,577,528,237,355,397.50/79,202,811.27
  6. Step 6: Final answer
    x = 32,543,393.30

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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.