Home / 209,320,274.32-313,989,068.76-61,767,835.28

Finding the Fourth Proportional to 209,320,274.32, 313,989,068.76 and 61,767,835.28

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Solution

The fourth proportional to 209,320,274.32, 313,989,068.76 and 61,767,835.28 is: 92,654,307.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,320,274.32 : 313,989,068.76 = 61,767,835.28 : x
  2. Step 2: Convert to fraction form
    209,320,274.32/313,989,068.76 = 61,767,835.28/x
  3. Step 3: Cross multiply
    209,320,274.32x = 313,989,068.76 × 61,767,835.28
  4. Step 4: Simplify right side
    209,320,274.32x = 19,394,425,078,888,272
  5. Step 5: Solve for x
    x = 19,394,425,078,888,272/209,320,274.32
  6. Step 6: Final answer
    x = 92,654,307.58

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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.