Home / 48,458,505.29-72,735,642.90-21,183,624.36

Finding the Fourth Proportional to 48,458,505.29, 72,735,642.90 and 21,183,624.36

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Solution

The fourth proportional to 48,458,505.29, 72,735,642.90 and 21,183,624.36 is: 31,796,369.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,458,505.29 : 72,735,642.90 = 21,183,624.36 : x
  2. Step 2: Convert to fraction form
    48,458,505.29/72,735,642.90 = 21,183,624.36/x
  3. Step 3: Cross multiply
    48,458,505.29x = 72,735,642.90 × 21,183,624.36
  4. Step 4: Simplify right side
    48,458,505.29x = 1,540,804,536,776,701.25
  5. Step 5: Solve for x
    x = 1,540,804,536,776,701.25/48,458,505.29
  6. Step 6: Final answer
    x = 31,796,369.44

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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.