Home / 275,598,057.96-413,400,449.52-81,513,395.69

Finding the Fourth Proportional to 275,598,057.96, 413,400,449.52 and 81,513,395.69

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Solution

The fourth proportional to 275,598,057.96, 413,400,449.52 and 81,513,395.69 is: 122,271,088.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,598,057.96 : 413,400,449.52 = 81,513,395.69 : x
  2. Step 2: Convert to fraction form
    275,598,057.96/413,400,449.52 = 81,513,395.69/x
  3. Step 3: Cross multiply
    275,598,057.96x = 413,400,449.52 × 81,513,395.69
  4. Step 4: Simplify right side
    275,598,057.96x = 33,697,674,418,080,628
  5. Step 5: Solve for x
    x = 33,697,674,418,080,628/275,598,057.96
  6. Step 6: Final answer
    x = 122,271,088.07

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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.