Home / 65,008,990.82-89,707,428.36-37,127,852.43

Finding the Fourth Proportional to 65,008,990.82, 89,707,428.36 and 37,127,852.43

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Solution

The fourth proportional to 65,008,990.82, 89,707,428.36 and 37,127,852.43 is: 51,233,592.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,008,990.82 : 89,707,428.36 = 37,127,852.43 : x
  2. Step 2: Convert to fraction form
    65,008,990.82/89,707,428.36 = 37,127,852.43/x
  3. Step 3: Cross multiply
    65,008,990.82x = 89,707,428.36 × 37,127,852.43
  4. Step 4: Simplify right side
    65,008,990.82x = 3,330,644,162,024,877
  5. Step 5: Solve for x
    x = 3,330,644,162,024,877/65,008,990.82
  6. Step 6: Final answer
    x = 51,233,592.77

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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.