Home / 64,504,612.32-89,010,454.08-38,405,479.20

Finding the Fourth Proportional to 64,504,612.32, 89,010,454.08 and 38,405,479.20

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Solution

The fourth proportional to 64,504,612.32, 89,010,454.08 and 38,405,479.20 is: 52,996,041.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,504,612.32 : 89,010,454.08 = 38,405,479.20 : x
  2. Step 2: Convert to fraction form
    64,504,612.32/89,010,454.08 = 38,405,479.20/x
  3. Step 3: Cross multiply
    64,504,612.32x = 89,010,454.08 × 38,405,479.20
  4. Step 4: Simplify right side
    64,504,612.32x = 3,418,489,142,751,995.50
  5. Step 5: Solve for x
    x = 3,418,489,142,751,995.50/64,504,612.32
  6. Step 6: Final answer
    x = 52,996,041.99

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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.