Home / 104,245,643.21-143,856,248.65-57,202,572.16

Finding the Fourth Proportional to 104,245,643.21, 143,856,248.65 and 57,202,572.16

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Solution

The fourth proportional to 104,245,643.21, 143,856,248.65 and 57,202,572.16 is: 78,938,046.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,245,643.21 : 143,856,248.65 = 57,202,572.16 : x
  2. Step 2: Convert to fraction form
    104,245,643.21/143,856,248.65 = 57,202,572.16/x
  3. Step 3: Cross multiply
    104,245,643.21x = 143,856,248.65 × 57,202,572.16
  4. Step 4: Simplify right side
    104,245,643.21x = 8,228,947,444,068,527
  5. Step 5: Solve for x
    x = 8,228,947,444,068,527/104,245,643.21
  6. Step 6: Final answer
    x = 78,938,046.62

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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.