Home / 218,109,527.92-300,992,124.81-118,989,974.94

Finding the Fourth Proportional to 218,109,527.92, 300,992,124.81 and 118,989,974.94

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Solution

The fourth proportional to 218,109,527.92, 300,992,124.81 and 118,989,974.94 is: 164,206,698.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,109,527.92 : 300,992,124.81 = 118,989,974.94 : x
  2. Step 2: Convert to fraction form
    218,109,527.92/300,992,124.81 = 118,989,974.94/x
  3. Step 3: Cross multiply
    218,109,527.92x = 300,992,124.81 × 118,989,974.94
  4. Step 4: Simplify right side
    218,109,527.92x = 35,815,045,386,928,024
  5. Step 5: Solve for x
    x = 35,815,045,386,928,024/218,109,527.92
  6. Step 6: Final answer
    x = 164,206,698.02

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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.