Home / 124,526,208.80-186,285,428.40-109,409,664.80

Finding the Fourth Proportional to 124,526,208.80, 186,285,428.40 and 109,409,664.80

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Solution

The fourth proportional to 124,526,208.80, 186,285,428.40 and 109,409,664.80 is: 163,671,780.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,526,208.80 : 186,285,428.40 = 109,409,664.80 : x
  2. Step 2: Convert to fraction form
    124,526,208.80/186,285,428.40 = 109,409,664.80/x
  3. Step 3: Cross multiply
    124,526,208.80x = 186,285,428.40 × 109,409,664.80
  4. Step 4: Simplify right side
    124,526,208.80x = 20,381,426,278,368,400
  5. Step 5: Solve for x
    x = 20,381,426,278,368,400/124,526,208.80
  6. Step 6: Final answer
    x = 163,671,780.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.