Home / 77,999,605.02-107,674,217.73-51,553,887.21

Finding the Fourth Proportional to 77,999,605.02, 107,674,217.73 and 51,553,887.21

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Solution

The fourth proportional to 77,999,605.02, 107,674,217.73 and 51,553,887.21 is: 71,167,340.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,999,605.02 : 107,674,217.73 = 51,553,887.21 : x
  2. Step 2: Convert to fraction form
    77,999,605.02/107,674,217.73 = 51,553,887.21/x
  3. Step 3: Cross multiply
    77,999,605.02x = 107,674,217.73 × 51,553,887.21
  4. Step 4: Simplify right side
    77,999,605.02x = 5,551,024,476,277,403
  5. Step 5: Solve for x
    x = 5,551,024,476,277,403/77,999,605.02
  6. Step 6: Final answer
    x = 71,167,340.85

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1.5x scale

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.