Home / 40,154,478.09-55,412,621.40-22,272,152.64

Finding the Fourth Proportional to 40,154,478.09, 55,412,621.40 and 22,272,152.64

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Solution

The fourth proportional to 40,154,478.09, 55,412,621.40 and 22,272,152.64 is: 30,735,260.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,154,478.09 : 55,412,621.40 = 22,272,152.64 : x
  2. Step 2: Convert to fraction form
    40,154,478.09/55,412,621.40 = 22,272,152.64/x
  3. Step 3: Cross multiply
    40,154,478.09x = 55,412,621.40 × 22,272,152.64
  4. Step 4: Simplify right side
    40,154,478.09x = 1,234,158,362,003,330.50
  5. Step 5: Solve for x
    x = 1,234,158,362,003,330.50/40,154,478.09
  6. Step 6: Final answer
    x = 30,735,260.94

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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.