Home / 85,421,935.26-128,179,549.26-36,230,137.07

Finding the Fourth Proportional to 85,421,935.26, 128,179,549.26 and 36,230,137.07

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Solution

The fourth proportional to 85,421,935.26, 128,179,549.26 and 36,230,137.07 is: 54,364,989.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,421,935.26 : 128,179,549.26 = 36,230,137.07 : x
  2. Step 2: Convert to fraction form
    85,421,935.26/128,179,549.26 = 36,230,137.07/x
  3. Step 3: Cross multiply
    85,421,935.26x = 128,179,549.26 × 36,230,137.07
  4. Step 4: Simplify right side
    85,421,935.26x = 4,643,962,638,619,719
  5. Step 5: Solve for x
    x = 4,643,962,638,619,719/85,421,935.26
  6. Step 6: Final answer
    x = 54,364,989.79

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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.