Home / 51,569,342.73-77,362,826.90-21,260,637.45

Finding the Fourth Proportional to 51,569,342.73, 77,362,826.90 and 21,260,637.45

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Solution

The fourth proportional to 51,569,342.73, 77,362,826.90 and 21,260,637.45 is: 31,894,589.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,569,342.73 : 77,362,826.90 = 21,260,637.45 : x
  2. Step 2: Convert to fraction form
    51,569,342.73/77,362,826.90 = 21,260,637.45/x
  3. Step 3: Cross multiply
    51,569,342.73x = 77,362,826.90 × 21,260,637.45
  4. Step 4: Simplify right side
    51,569,342.73x = 1,644,783,014,828,007.50
  5. Step 5: Solve for x
    x = 1,644,783,014,828,007.50/51,569,342.73
  6. Step 6: Final answer
    x = 31,894,589.45

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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.