Home / 83,457,860.95-125,098,436.61-28,072,970.47

Finding the Fourth Proportional to 83,457,860.95, 125,098,436.61 and 28,072,970.47

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Solution

The fourth proportional to 83,457,860.95, 125,098,436.61 and 28,072,970.47 is: 42,079,735.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,457,860.95 : 125,098,436.61 = 28,072,970.47 : x
  2. Step 2: Convert to fraction form
    83,457,860.95/125,098,436.61 = 28,072,970.47/x
  3. Step 3: Cross multiply
    83,457,860.95x = 125,098,436.61 × 28,072,970.47
  4. Step 4: Simplify right side
    83,457,860.95x = 3,511,884,716,795,696.50
  5. Step 5: Solve for x
    x = 3,511,884,716,795,696.50/83,457,860.95
  6. Step 6: Final answer
    x = 42,079,735.53

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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.