Home / 200,574,457.10-300,882,323.12-69,416,502.39

Finding the Fourth Proportional to 200,574,457.10, 300,882,323.12 and 69,416,502.39

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Solution

The fourth proportional to 200,574,457.10, 300,882,323.12 and 69,416,502.39 is: 104,131,895.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,574,457.10 : 300,882,323.12 = 69,416,502.39 : x
  2. Step 2: Convert to fraction form
    200,574,457.10/300,882,323.12 = 69,416,502.39/x
  3. Step 3: Cross multiply
    200,574,457.10x = 300,882,323.12 × 69,416,502.39
  4. Step 4: Simplify right side
    200,574,457.10x = 20,886,198,501,621,152
  5. Step 5: Solve for x
    x = 20,886,198,501,621,152/200,574,457.10
  6. Step 6: Final answer
    x = 104,131,895.97

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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.