Home / 149,023,054.80-205,651,512.36-83,832,958.80

Finding the Fourth Proportional to 149,023,054.80, 205,651,512.36 and 83,832,958.80

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Solution

The fourth proportional to 149,023,054.80, 205,651,512.36 and 83,832,958.80 is: 115,689,312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,023,054.80 : 205,651,512.36 = 83,832,958.80 : x
  2. Step 2: Convert to fraction form
    149,023,054.80/205,651,512.36 = 83,832,958.80/x
  3. Step 3: Cross multiply
    149,023,054.80x = 205,651,512.36 × 83,832,958.80
  4. Step 4: Simplify right side
    149,023,054.80x = 17,240,374,762,833,572
  5. Step 5: Solve for x
    x = 17,240,374,762,833,572/149,023,054.80
  6. Step 6: Final answer
    x = 115,689,312.54

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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.