Home / 209,953,721.70-314,930,582.55-73,589,897.70

Finding the Fourth Proportional to 209,953,721.70, 314,930,582.55 and 73,589,897.70

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Solution

The fourth proportional to 209,953,721.70, 314,930,582.55 and 73,589,897.70 is: 110,384,846.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,721.70 : 314,930,582.55 = 73,589,897.70 : x
  2. Step 2: Convert to fraction form
    209,953,721.70/314,930,582.55 = 73,589,897.70/x
  3. Step 3: Cross multiply
    209,953,721.70x = 314,930,582.55 × 73,589,897.70
  4. Step 4: Simplify right side
    209,953,721.70x = 23,175,709,352,455,908
  5. Step 5: Solve for x
    x = 23,175,709,352,455,908/209,953,721.70
  6. Step 6: Final answer
    x = 110,384,846.55

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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.