Home / 60,819,465.30-91,230,131.07-20,430,299.22

Finding the Fourth Proportional to 60,819,465.30, 91,230,131.07 and 20,430,299.22

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Solution

The fourth proportional to 60,819,465.30, 91,230,131.07 and 20,430,299.22 is: 30,645,762.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,819,465.30 : 91,230,131.07 = 20,430,299.22 : x
  2. Step 2: Convert to fraction form
    60,819,465.30/91,230,131.07 = 20,430,299.22/x
  3. Step 3: Cross multiply
    60,819,465.30x = 91,230,131.07 × 20,430,299.22
  4. Step 4: Simplify right side
    60,819,465.30x = 1,863,858,875,639,918.50
  5. Step 5: Solve for x
    x = 1,863,858,875,639,918.50/60,819,465.30
  6. Step 6: Final answer
    x = 30,645,762.28

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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.