Home / 72,201,466.80-108,302,200.20-68,674,273.20

Finding the Fourth Proportional to 72,201,466.80, 108,302,200.20 and 68,674,273.20

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Solution

The fourth proportional to 72,201,466.80, 108,302,200.20 and 68,674,273.20 is: 103,011,409.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,201,466.80 : 108,302,200.20 = 68,674,273.20 : x
  2. Step 2: Convert to fraction form
    72,201,466.80/108,302,200.20 = 68,674,273.20/x
  3. Step 3: Cross multiply
    72,201,466.80x = 108,302,200.20 × 68,674,273.20
  4. Step 4: Simplify right side
    72,201,466.80x = 7,437,574,884,695,895
  5. Step 5: Solve for x
    x = 7,437,574,884,695,895/72,201,466.80
  6. Step 6: Final answer
    x = 103,011,409.80

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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.