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Finding the Fourth Proportional to 53,006,579.70, 79,509,869.55 and 53,006,579.70

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Solution

The fourth proportional to 53,006,579.70, 79,509,869.55 and 53,006,579.70 is: 79,509,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,006,579.70 : 79,509,869.55 = 53,006,579.70 : x
  2. Step 2: Convert to fraction form
    53,006,579.70/79,509,869.55 = 53,006,579.70/x
  3. Step 3: Cross multiply
    53,006,579.70x = 79,509,869.55 × 53,006,579.70
  4. Step 4: Simplify right side
    53,006,579.70x = 4,214,546,237,238,678
  5. Step 5: Solve for x
    x = 4,214,546,237,238,678/53,006,579.70
  6. Step 6: Final answer
    x = 79,509,869.55

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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.