Home / 118,093,295.80-177,139,943.70-72,507,273.40

Finding the Fourth Proportional to 118,093,295.80, 177,139,943.70 and 72,507,273.40

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Solution

The fourth proportional to 118,093,295.80, 177,139,943.70 and 72,507,273.40 is: 108,760,910.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,093,295.80 : 177,139,943.70 = 72,507,273.40 : x
  2. Step 2: Convert to fraction form
    118,093,295.80/177,139,943.70 = 72,507,273.40/x
  3. Step 3: Cross multiply
    118,093,295.80x = 177,139,943.70 × 72,507,273.40
  4. Step 4: Simplify right side
    118,093,295.80x = 12,843,934,327,916,508
  5. Step 5: Solve for x
    x = 12,843,934,327,916,508/118,093,295.80
  6. Step 6: Final answer
    x = 108,760,910.10

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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.