Home / 72,115,744.55-108,172,671.95-17,528,171.49

Finding the Fourth Proportional to 72,115,744.55, 108,172,671.95 and 17,528,171.49

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Solution

The fourth proportional to 72,115,744.55, 108,172,671.95 and 17,528,171.49 is: 26,292,027.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,115,744.55 : 108,172,671.95 = 17,528,171.49 : x
  2. Step 2: Convert to fraction form
    72,115,744.55/108,172,671.95 = 17,528,171.49/x
  3. Step 3: Cross multiply
    72,115,744.55x = 108,172,671.95 × 17,528,171.49
  4. Step 4: Simplify right side
    72,115,744.55x = 1,896,069,144,514,933
  5. Step 5: Solve for x
    x = 1,896,069,144,514,933/72,115,744.55
  6. Step 6: Final answer
    x = 26,292,027.58

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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.