Home / 189,910,457.31-284,857,119.05-79,200,532.11

Finding the Fourth Proportional to 189,910,457.31, 284,857,119.05 and 79,200,532.11

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Solution

The fourth proportional to 189,910,457.31, 284,857,119.05 and 79,200,532.11 is: 118,797,225.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,910,457.31 : 284,857,119.05 = 79,200,532.11 : x
  2. Step 2: Convert to fraction form
    189,910,457.31/284,857,119.05 = 79,200,532.11/x
  3. Step 3: Cross multiply
    189,910,457.31x = 284,857,119.05 × 79,200,532.11
  4. Step 4: Simplify right side
    189,910,457.31x = 22,560,835,403,685,616
  5. Step 5: Solve for x
    x = 22,560,835,403,685,616/189,910,457.31
  6. Step 6: Final answer
    x = 118,797,225.40

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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.