Home / 64,606,778.28-89,158,416.74-35,238,111.04

Finding the Fourth Proportional to 64,606,778.28, 89,158,416.74 and 35,238,111.04

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Solution

The fourth proportional to 64,606,778.28, 89,158,416.74 and 35,238,111.04 is: 48,629,172.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,606,778.28 : 89,158,416.74 = 35,238,111.04 : x
  2. Step 2: Convert to fraction form
    64,606,778.28/89,158,416.74 = 35,238,111.04/x
  3. Step 3: Cross multiply
    64,606,778.28x = 89,158,416.74 × 35,238,111.04
  4. Step 4: Simplify right side
    64,606,778.28x = 3,141,774,189,234,714.50
  5. Step 5: Solve for x
    x = 3,141,774,189,234,714.50/64,606,778.28
  6. Step 6: Final answer
    x = 48,629,172.87

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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.