Home / 209,915,182.96-289,787,828.75-130,555,824.19

Finding the Fourth Proportional to 209,915,182.96, 289,787,828.75 and 130,555,824.19

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Solution

The fourth proportional to 209,915,182.96, 289,787,828.75 and 130,555,824.19 is: 180,232,264.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,915,182.96 : 289,787,828.75 = 130,555,824.19 : x
  2. Step 2: Convert to fraction form
    209,915,182.96/289,787,828.75 = 130,555,824.19/x
  3. Step 3: Cross multiply
    209,915,182.96x = 289,787,828.75 × 130,555,824.19
  4. Step 4: Simplify right side
    209,915,182.96x = 37,833,488,821,799,160
  5. Step 5: Solve for x
    x = 37,833,488,821,799,160/209,915,182.96
  6. Step 6: Final answer
    x = 180,232,264.71

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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.