Home / 105,378,788.91-145,424,450.34-57,693,247.67

Finding the Fourth Proportional to 105,378,788.91, 145,424,450.34 and 57,693,247.67

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Solution

The fourth proportional to 105,378,788.91, 145,424,450.34 and 57,693,247.67 is: 79,617,624.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,378,788.91 : 145,424,450.34 = 57,693,247.67 : x
  2. Step 2: Convert to fraction form
    105,378,788.91/145,424,450.34 = 57,693,247.67/x
  3. Step 3: Cross multiply
    105,378,788.91x = 145,424,450.34 × 57,693,247.67
  4. Step 4: Simplify right side
    105,378,788.91x = 8,390,008,830,554,288
  5. Step 5: Solve for x
    x = 8,390,008,830,554,288/105,378,788.91
  6. Step 6: Final answer
    x = 79,617,624.36

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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.