Home / 143,720,096.19-215,581,855.01-40,082,995.96

Finding the Fourth Proportional to 143,720,096.19, 215,581,855.01 and 40,082,995.96

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Solution

The fourth proportional to 143,720,096.19, 215,581,855.01 and 40,082,995.96 is: 60,124,971.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,720,096.19 : 215,581,855.01 = 40,082,995.96 : x
  2. Step 2: Convert to fraction form
    143,720,096.19/215,581,855.01 = 40,082,995.96/x
  3. Step 3: Cross multiply
    143,720,096.19x = 215,581,855.01 × 40,082,995.96
  4. Step 4: Simplify right side
    143,720,096.19x = 8,641,166,623,415,136
  5. Step 5: Solve for x
    x = 8,641,166,623,415,136/143,720,096.19
  6. Step 6: Final answer
    x = 60,124,971.05

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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.