Home / 85,045,421.87-127,586,737.50-27,543,505.67

Finding the Fourth Proportional to 85,045,421.87, 127,586,737.50 and 27,543,505.67

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Solution

The fourth proportional to 85,045,421.87, 127,586,737.50 and 27,543,505.67 is: 41,321,283.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,045,421.87 : 127,586,737.50 = 27,543,505.67 : x
  2. Step 2: Convert to fraction form
    85,045,421.87/127,586,737.50 = 27,543,505.67/x
  3. Step 3: Cross multiply
    85,045,421.87x = 127,586,737.50 × 27,543,505.67
  4. Step 4: Simplify right side
    85,045,421.87x = 3,514,186,027,748,052
  5. Step 5: Solve for x
    x = 3,514,186,027,748,052/85,045,421.87
  6. Step 6: Final answer
    x = 41,321,283.97

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1.5x scale

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.