Home / 72,020,430.99-108,035,453.23-25,328,313.29

Finding the Fourth Proportional to 72,020,430.99, 108,035,453.23 and 25,328,313.29

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Solution

The fourth proportional to 72,020,430.99, 108,035,453.23 and 25,328,313.29 is: 37,994,160.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,020,430.99 : 108,035,453.23 = 25,328,313.29 : x
  2. Step 2: Convert to fraction form
    72,020,430.99/108,035,453.23 = 25,328,313.29/x
  3. Step 3: Cross multiply
    72,020,430.99x = 108,035,453.23 × 25,328,313.29
  4. Step 4: Simplify right side
    72,020,430.99x = 2,736,355,806,043,350.50
  5. Step 5: Solve for x
    x = 2,736,355,806,043,350.50/72,020,430.99
  6. Step 6: Final answer
    x = 37,994,160.39

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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.