Home / 72,489,605.68-100,013,137.32-41,122,491.76

Finding the Fourth Proportional to 72,489,605.68, 100,013,137.32 and 41,122,491.76

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Solution

The fourth proportional to 72,489,605.68, 100,013,137.32 and 41,122,491.76 is: 56,736,264.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,489,605.68 : 100,013,137.32 = 41,122,491.76 : x
  2. Step 2: Convert to fraction form
    72,489,605.68/100,013,137.32 = 41,122,491.76/x
  3. Step 3: Cross multiply
    72,489,605.68x = 100,013,137.32 × 41,122,491.76
  4. Step 4: Simplify right side
    72,489,605.68x = 4,112,789,415,333,448
  5. Step 5: Solve for x
    x = 4,112,789,415,333,448/72,489,605.68
  6. Step 6: Final answer
    x = 56,736,264.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.