Home / 70,102,772.25-105,060,162.62-54,559,368.57

Finding the Fourth Proportional to 70,102,772.25, 105,060,162.62 and 54,559,368.57

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Solution

The fourth proportional to 70,102,772.25, 105,060,162.62 and 54,559,368.57 is: 81,765,898.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102,772.25 : 105,060,162.62 = 54,559,368.57 : x
  2. Step 2: Convert to fraction form
    70,102,772.25/105,060,162.62 = 54,559,368.57/x
  3. Step 3: Cross multiply
    70,102,772.25x = 105,060,162.62 × 54,559,368.57
  4. Step 4: Simplify right side
    70,102,772.25x = 5,732,016,134,408,717
  5. Step 5: Solve for x
    x = 5,732,016,134,408,717/70,102,772.25
  6. Step 6: Final answer
    x = 81,765,898.13

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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.