Home / 72,171,145.80-108,256,718.70-26,112,925.80

Finding the Fourth Proportional to 72,171,145.80, 108,256,718.70 and 26,112,925.80

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Solution

The fourth proportional to 72,171,145.80, 108,256,718.70 and 26,112,925.80 is: 39,169,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,171,145.80 : 108,256,718.70 = 26,112,925.80 : x
  2. Step 2: Convert to fraction form
    72,171,145.80/108,256,718.70 = 26,112,925.80/x
  3. Step 3: Cross multiply
    72,171,145.80x = 108,256,718.70 × 26,112,925.80
  4. Step 4: Simplify right side
    72,171,145.80x = 2,826,899,662,764,572.50
  5. Step 5: Solve for x
    x = 2,826,899,662,764,572.50/72,171,145.80
  6. Step 6: Final answer
    x = 39,169,388.70

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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.