Home / 77,723,819.18-116,626,077.90-31,699,453.94

Finding the Fourth Proportional to 77,723,819.18, 116,626,077.90 and 31,699,453.94

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Solution

The fourth proportional to 77,723,819.18, 116,626,077.90 and 31,699,453.94 is: 47,565,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,723,819.18 : 116,626,077.90 = 31,699,453.94 : x
  2. Step 2: Convert to fraction form
    77,723,819.18/116,626,077.90 = 31,699,453.94/x
  3. Step 3: Cross multiply
    77,723,819.18x = 116,626,077.90 × 31,699,453.94
  4. Step 4: Simplify right side
    77,723,819.18x = 3,696,982,984,593,902.50
  5. Step 5: Solve for x
    x = 3,696,982,984,593,902.50/77,723,819.18
  6. Step 6: Final answer
    x = 47,565,637.20

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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.