Home / 83,619,025.80-125,428,538.70-45,355,273.80

Finding the Fourth Proportional to 83,619,025.80, 125,428,538.70 and 45,355,273.80

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Solution

The fourth proportional to 83,619,025.80, 125,428,538.70 and 45,355,273.80 is: 68,032,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,619,025.80 : 125,428,538.70 = 45,355,273.80 : x
  2. Step 2: Convert to fraction form
    83,619,025.80/125,428,538.70 = 45,355,273.80/x
  3. Step 3: Cross multiply
    83,619,025.80x = 125,428,538.70 × 45,355,273.80
  4. Step 4: Simplify right side
    83,619,025.80x = 5,688,845,715,072,396
  5. Step 5: Solve for x
    x = 5,688,845,715,072,396/83,619,025.80
  6. Step 6: Final answer
    x = 68,032,910.70

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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.