Home / 72,171,146.80-108,256,720.20-26,112,926.80

Finding the Fourth Proportional to 72,171,146.80, 108,256,720.20 and 26,112,926.80

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Solution

The fourth proportional to 72,171,146.80, 108,256,720.20 and 26,112,926.80 is: 39,169,390.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,171,146.80 : 108,256,720.20 = 26,112,926.80 : x
  2. Step 2: Convert to fraction form
    72,171,146.80/108,256,720.20 = 26,112,926.80/x
  3. Step 3: Cross multiply
    72,171,146.80x = 108,256,720.20 × 26,112,926.80
  4. Step 4: Simplify right side
    72,171,146.80x = 2,826,899,810,190,681.50
  5. Step 5: Solve for x
    x = 2,826,899,810,190,681.50/72,171,146.80
  6. Step 6: Final answer
    x = 39,169,390.20

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1.5x scale

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.