Home / 70,523,769.19-105,511,957.48-61,822,419.25

Finding the Fourth Proportional to 70,523,769.19, 105,511,957.48 and 61,822,419.25

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Solution

The fourth proportional to 70,523,769.19, 105,511,957.48 and 61,822,419.25 is: 92,493,701.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,523,769.19 : 105,511,957.48 = 61,822,419.25 : x
  2. Step 2: Convert to fraction form
    70,523,769.19/105,511,957.48 = 61,822,419.25/x
  3. Step 3: Cross multiply
    70,523,769.19x = 105,511,957.48 × 61,822,419.25
  4. Step 4: Simplify right side
    70,523,769.19x = 6,523,004,471,216,734
  5. Step 5: Solve for x
    x = 6,523,004,471,216,734/70,523,769.19
  6. Step 6: Final answer
    x = 92,493,701.71

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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.