Home / 85,702,233.20-128,501,547.06-34,524,479.48

Finding the Fourth Proportional to 85,702,233.20, 128,501,547.06 and 34,524,479.48

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Solution

The fourth proportional to 85,702,233.20, 128,501,547.06 and 34,524,479.48 is: 51,765,850.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,702,233.20 : 128,501,547.06 = 34,524,479.48 : x
  2. Step 2: Convert to fraction form
    85,702,233.20/128,501,547.06 = 34,524,479.48/x
  3. Step 3: Cross multiply
    85,702,233.20x = 128,501,547.06 × 34,524,479.48
  4. Step 4: Simplify right side
    85,702,233.20x = 4,436,449,024,621,224
  5. Step 5: Solve for x
    x = 4,436,449,024,621,224/85,702,233.20
  6. Step 6: Final answer
    x = 51,765,850.89

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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.