Home / 55,145,721.70-82,718,582.55-43,724,332.90

Finding the Fourth Proportional to 55,145,721.70, 82,718,582.55 and 43,724,332.90

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Solution

The fourth proportional to 55,145,721.70, 82,718,582.55 and 43,724,332.90 is: 65,586,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,145,721.70 : 82,718,582.55 = 43,724,332.90 : x
  2. Step 2: Convert to fraction form
    55,145,721.70/82,718,582.55 = 43,724,332.90/x
  3. Step 3: Cross multiply
    55,145,721.70x = 82,718,582.55 × 43,724,332.90
  4. Step 4: Simplify right side
    55,145,721.70x = 3,616,814,840,432,330.50
  5. Step 5: Solve for x
    x = 3,616,814,840,432,330.50/55,145,721.70
  6. Step 6: Final answer
    x = 65,586,499.35

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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.