Home / 55,631,987.60-83,288,549.10-54,037,664.60

Finding the Fourth Proportional to 55,631,987.60, 83,288,549.10 and 54,037,664.60

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Solution

The fourth proportional to 55,631,987.60, 83,288,549.10 and 54,037,664.60 is: 80,901,633.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,631,987.60 : 83,288,549.10 = 54,037,664.60 : x
  2. Step 2: Convert to fraction form
    55,631,987.60/83,288,549.10 = 54,037,664.60/x
  3. Step 3: Cross multiply
    55,631,987.60x = 83,288,549.10 × 54,037,664.60
  4. Step 4: Simplify right side
    55,631,987.60x = 4,500,718,681,286,431.50
  5. Step 5: Solve for x
    x = 4,500,718,681,286,431.50/55,631,987.60
  6. Step 6: Final answer
    x = 80,901,633.67

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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.