Home / 51,569,342.48-77,362,826.52-21,260,637.20

Finding the Fourth Proportional to 51,569,342.48, 77,362,826.52 and 21,260,637.20

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Solution

The fourth proportional to 51,569,342.48, 77,362,826.52 and 21,260,637.20 is: 31,894,589.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,569,342.48 : 77,362,826.52 = 21,260,637.20 : x
  2. Step 2: Convert to fraction form
    51,569,342.48/77,362,826.52 = 21,260,637.20/x
  3. Step 3: Cross multiply
    51,569,342.48x = 77,362,826.52 × 21,260,637.20
  4. Step 4: Simplify right side
    51,569,342.48x = 1,644,782,987,408,258.50
  5. Step 5: Solve for x
    x = 1,644,782,987,408,258.50/51,569,342.48
  6. Step 6: Final answer
    x = 31,894,589.08

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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.