Home / 81,154,539.97-121,444,454.89-50,463,571.93

Finding the Fourth Proportional to 81,154,539.97, 121,444,454.89 and 50,463,571.93

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Solution

The fourth proportional to 81,154,539.97, 121,444,454.89 and 50,463,571.93 is: 75,516,674.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,154,539.97 : 121,444,454.89 = 50,463,571.93 : x
  2. Step 2: Convert to fraction form
    81,154,539.97/121,444,454.89 = 50,463,571.93/x
  3. Step 3: Cross multiply
    81,154,539.97x = 121,444,454.89 × 50,463,571.93
  4. Step 4: Simplify right side
    81,154,539.97x = 6,128,520,984,411,386
  5. Step 5: Solve for x
    x = 6,128,520,984,411,386/81,154,539.97
  6. Step 6: Final answer
    x = 75,516,674.57

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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.