Home / 51,569,344.48-77,362,829.52-21,260,639.20

Finding the Fourth Proportional to 51,569,344.48, 77,362,829.52 and 21,260,639.20

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Solution

The fourth proportional to 51,569,344.48, 77,362,829.52 and 21,260,639.20 is: 31,894,592.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,569,344.48 : 77,362,829.52 = 21,260,639.20 : x
  2. Step 2: Convert to fraction form
    51,569,344.48/77,362,829.52 = 21,260,639.20/x
  3. Step 3: Cross multiply
    51,569,344.48x = 77,362,829.52 × 21,260,639.20
  4. Step 4: Simplify right side
    51,569,344.48x = 1,644,783,205,915,829
  5. Step 5: Solve for x
    x = 1,644,783,205,915,829/51,569,344.48
  6. Step 6: Final answer
    x = 31,894,592.08

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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.