Home / 404,525,011.10-606,814,919.09-142,177,666.77

Finding the Fourth Proportional to 404,525,011.10, 606,814,919.09 and 142,177,666.77

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Solution

The fourth proportional to 404,525,011.10, 606,814,919.09 and 142,177,666.77 is: 213,276,131.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,525,011.10 : 606,814,919.09 = 142,177,666.77 : x
  2. Step 2: Convert to fraction form
    404,525,011.10/606,814,919.09 = 142,177,666.77/x
  3. Step 3: Cross multiply
    404,525,011.10x = 606,814,919.09 × 142,177,666.77
  4. Step 4: Simplify right side
    404,525,011.10x = 86,275,529,356,731,648
  5. Step 5: Solve for x
    x = 86,275,529,356,731,648/404,525,011.10
  6. Step 6: Final answer
    x = 213,276,131.24

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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.