Home / 124,526,564.80-186,285,962.40-109,410,020.80

Finding the Fourth Proportional to 124,526,564.80, 186,285,962.40 and 109,410,020.80

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Solution

The fourth proportional to 124,526,564.80, 186,285,962.40 and 109,410,020.80 is: 163,672,314.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,526,564.80 : 186,285,962.40 = 109,410,020.80 : x
  2. Step 2: Convert to fraction form
    124,526,564.80/186,285,962.40 = 109,410,020.80/x
  3. Step 3: Cross multiply
    124,526,564.80x = 186,285,962.40 × 109,410,020.80
  4. Step 4: Simplify right side
    124,526,564.80x = 20,381,551,020,932,020
  5. Step 5: Solve for x
    x = 20,381,551,020,932,020/124,526,564.80
  6. Step 6: Final answer
    x = 163,672,314.05

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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.