Home / 104,255,539.25-143,362,460.81-90,480,588.53

Finding the Fourth Proportional to 104,255,539.25, 143,362,460.81 and 90,480,588.53

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Solution

The fourth proportional to 104,255,539.25, 143,362,460.81 and 90,480,588.53 is: 124,420,437.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,255,539.25 : 143,362,460.81 = 90,480,588.53 : x
  2. Step 2: Convert to fraction form
    104,255,539.25/143,362,460.81 = 90,480,588.53/x
  3. Step 3: Cross multiply
    104,255,539.25x = 143,362,460.81 × 90,480,588.53
  4. Step 4: Simplify right side
    104,255,539.25x = 12,971,519,826,745,458
  5. Step 5: Solve for x
    x = 12,971,519,826,745,458/104,255,539.25
  6. Step 6: Final answer
    x = 124,420,437.71

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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.