Home / 72,604,821.80-108,907,232.70-56,165,580.20

Finding the Fourth Proportional to 72,604,821.80, 108,907,232.70 and 56,165,580.20

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Solution

The fourth proportional to 72,604,821.80, 108,907,232.70 and 56,165,580.20 is: 84,248,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,604,821.80 : 108,907,232.70 = 56,165,580.20 : x
  2. Step 2: Convert to fraction form
    72,604,821.80/108,907,232.70 = 56,165,580.20/x
  3. Step 3: Cross multiply
    72,604,821.80x = 108,907,232.70 × 56,165,580.20
  4. Step 4: Simplify right side
    72,604,821.80x = 6,116,837,912,571,913
  5. Step 5: Solve for x
    x = 6,116,837,912,571,913/72,604,821.80
  6. Step 6: Final answer
    x = 84,248,370.30

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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.