Home / 70,102,591.15-105,059,892.93-54,559,188.66

Finding the Fourth Proportional to 70,102,591.15, 105,059,892.93 and 54,559,188.66

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Solution

The fourth proportional to 70,102,591.15, 105,059,892.93 and 54,559,188.66 is: 81,765,629.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102,591.15 : 105,059,892.93 = 54,559,188.66 : x
  2. Step 2: Convert to fraction form
    70,102,591.15/105,059,892.93 = 54,559,188.66/x
  3. Step 3: Cross multiply
    70,102,591.15x = 105,059,892.93 × 54,559,188.66
  4. Step 4: Simplify right side
    70,102,591.15x = 5,731,982,518,441,971
  5. Step 5: Solve for x
    x = 5,731,982,518,441,971/70,102,591.15
  6. Step 6: Final answer
    x = 81,765,629.84

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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.