Home / 83,623,798.44-115,404,114.20-57,217,535.45

Finding the Fourth Proportional to 83,623,798.44, 115,404,114.20 and 57,217,535.45

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Solution

The fourth proportional to 83,623,798.44, 115,404,114.20 and 57,217,535.45 is: 78,962,437.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,623,798.44 : 115,404,114.20 = 57,217,535.45 : x
  2. Step 2: Convert to fraction form
    83,623,798.44/115,404,114.20 = 57,217,535.45/x
  3. Step 3: Cross multiply
    83,623,798.44x = 115,404,114.20 × 57,217,535.45
  4. Step 4: Simplify right side
    83,623,798.44x = 6,603,138,994,451,240
  5. Step 5: Solve for x
    x = 6,603,138,994,451,240/83,623,798.44
  6. Step 6: Final answer
    x = 78,962,437.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.