Home / 104,781,977.58-143,551,821.45-100,854,774

Finding the Fourth Proportional to 104,781,977.58, 143,551,821.45 and 100,854,774

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Solution

The fourth proportional to 104,781,977.58, 143,551,821.45 and 100,854,774 is: 138,171,533.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,781,977.58 : 143,551,821.45 = 100,854,774 : x
  2. Step 2: Convert to fraction form
    104,781,977.58/143,551,821.45 = 100,854,774/x
  3. Step 3: Cross multiply
    104,781,977.58x = 143,551,821.45 × 100,854,774
  4. Step 4: Simplify right side
    104,781,977.58x = 14,477,886,509,628,102
  5. Step 5: Solve for x
    x = 14,477,886,509,628,102/104,781,977.58
  6. Step 6: Final answer
    x = 138,171,533.35

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.