Home / 72,637,577.22-100,240,532.73-40,043,695.62

Finding the Fourth Proportional to 72,637,577.22, 100,240,532.73 and 40,043,695.62

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Solution

The fourth proportional to 72,637,577.22, 100,240,532.73 and 40,043,695.62 is: 55,260,672.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,637,577.22 : 100,240,532.73 = 40,043,695.62 : x
  2. Step 2: Convert to fraction form
    72,637,577.22/100,240,532.73 = 40,043,695.62/x
  3. Step 3: Cross multiply
    72,637,577.22x = 100,240,532.73 × 40,043,695.62
  4. Step 4: Simplify right side
    72,637,577.22x = 4,014,001,381,426,767.50
  5. Step 5: Solve for x
    x = 4,014,001,381,426,767.50/72,637,577.22
  6. Step 6: Final answer
    x = 55,260,672.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.