Home / 245,589,643.80-368,437,609.80-73,083,895.20

Finding the Fourth Proportional to 245,589,643.80, 368,437,609.80 and 73,083,895.20

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Solution

The fourth proportional to 245,589,643.80, 368,437,609.80 and 73,083,895.20 is: 109,641,657.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,589,643.80 : 368,437,609.80 = 73,083,895.20 : x
  2. Step 2: Convert to fraction form
    245,589,643.80/368,437,609.80 = 73,083,895.20/x
  3. Step 3: Cross multiply
    245,589,643.80x = 368,437,609.80 × 73,083,895.20
  4. Step 4: Simplify right side
    245,589,643.80x = 26,926,855,662,361,696
  5. Step 5: Solve for x
    x = 26,926,855,662,361,696/245,589,643.80
  6. Step 6: Final answer
    x = 109,641,657.71

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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.