Home / 54,389,970.30-81,395,998.65-49,855,007.10

Finding the Fourth Proportional to 54,389,970.30, 81,395,998.65 and 49,855,007.10

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Solution

The fourth proportional to 54,389,970.30, 81,395,998.65 and 49,855,007.10 is: 74,609,308.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,389,970.30 : 81,395,998.65 = 49,855,007.10 : x
  2. Step 2: Convert to fraction form
    54,389,970.30/81,395,998.65 = 49,855,007.10/x
  3. Step 3: Cross multiply
    54,389,970.30x = 81,395,998.65 × 49,855,007.10
  4. Step 4: Simplify right side
    54,389,970.30x = 4,057,998,090,607,341
  5. Step 5: Solve for x
    x = 4,057,998,090,607,341/54,389,970.30
  6. Step 6: Final answer
    x = 74,609,308.82

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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.