Home / 66,558,097.90-91,849,981.10-37,189,453.54

Finding the Fourth Proportional to 66,558,097.90, 91,849,981.10 and 37,189,453.54

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Solution

The fourth proportional to 66,558,097.90, 91,849,981.10 and 37,189,453.54 is: 51,321,337.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,558,097.90 : 91,849,981.10 = 37,189,453.54 : x
  2. Step 2: Convert to fraction form
    66,558,097.90/91,849,981.10 = 37,189,453.54/x
  3. Step 3: Cross multiply
    66,558,097.90x = 91,849,981.10 × 37,189,453.54
  4. Step 4: Simplify right side
    66,558,097.90x = 3,415,850,604,768,328
  5. Step 5: Solve for x
    x = 3,415,850,604,768,328/66,558,097.90
  6. Step 6: Final answer
    x = 51,321,337.49

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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.