Home / 134,868,132.23-186,118,020.22-72,988,470.79

Finding the Fourth Proportional to 134,868,132.23, 186,118,020.22 and 72,988,470.79

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Solution

The fourth proportional to 134,868,132.23, 186,118,020.22 and 72,988,470.79 is: 100,724,088.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,868,132.23 : 186,118,020.22 = 72,988,470.79 : x
  2. Step 2: Convert to fraction form
    134,868,132.23/186,118,020.22 = 72,988,470.79/x
  3. Step 3: Cross multiply
    134,868,132.23x = 186,118,020.22 × 72,988,470.79
  4. Step 4: Simplify right side
    134,868,132.23x = 13,584,469,682,320,100
  5. Step 5: Solve for x
    x = 13,584,469,682,320,100/134,868,132.23
  6. Step 6: Final answer
    x = 100,724,088.47

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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.