Home / 81,878,896.95-112,993,424.06-44,709,435.32

Finding the Fourth Proportional to 81,878,896.95, 112,993,424.06 and 44,709,435.32

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Solution

The fourth proportional to 81,878,896.95, 112,993,424.06 and 44,709,435.32 is: 61,699,319.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,878,896.95 : 112,993,424.06 = 44,709,435.32 : x
  2. Step 2: Convert to fraction form
    81,878,896.95/112,993,424.06 = 44,709,435.32/x
  3. Step 3: Cross multiply
    81,878,896.95x = 112,993,424.06 × 44,709,435.32
  4. Step 4: Simplify right side
    81,878,896.95x = 5,051,872,183,807,388
  5. Step 5: Solve for x
    x = 5,051,872,183,807,388/81,878,896.95
  6. Step 6: Final answer
    x = 61,699,319.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.