Home / 54,405,693.50-75,060,139.43-30,870,600.89

Finding the Fourth Proportional to 54,405,693.50, 75,060,139.43 and 30,870,600.89

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Solution

The fourth proportional to 54,405,693.50, 75,060,139.43 and 30,870,600.89 is: 42,590,241.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,405,693.50 : 75,060,139.43 = 30,870,600.89 : x
  2. Step 2: Convert to fraction form
    54,405,693.50/75,060,139.43 = 30,870,600.89/x
  3. Step 3: Cross multiply
    54,405,693.50x = 75,060,139.43 × 30,870,600.89
  4. Step 4: Simplify right side
    54,405,693.50x = 2,317,151,607,103,810
  5. Step 5: Solve for x
    x = 2,317,151,607,103,810/54,405,693.50
  6. Step 6: Final answer
    x = 42,590,241.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.