Home / 149,285,937.47-206,015,550.03-83,210,625.46

Finding the Fourth Proportional to 149,285,937.47, 206,015,550.03 and 83,210,625.46

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Solution

The fourth proportional to 149,285,937.47, 206,015,550.03 and 83,210,625.46 is: 114,831,196.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,285,937.47 : 206,015,550.03 = 83,210,625.46 : x
  2. Step 2: Convert to fraction form
    149,285,937.47/206,015,550.03 = 83,210,625.46/x
  3. Step 3: Cross multiply
    149,285,937.47x = 206,015,550.03 × 83,210,625.46
  4. Step 4: Simplify right side
    149,285,937.47x = 17,142,682,772,482,220
  5. Step 5: Solve for x
    x = 17,142,682,772,482,220/149,285,937.47
  6. Step 6: Final answer
    x = 114,831,196.18

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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.