Home / 209,993,097.06-289,899,432.80-153,414,390.11

Finding the Fourth Proportional to 209,993,097.06, 289,899,432.80 and 153,414,390.11

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Solution

The fourth proportional to 209,993,097.06, 289,899,432.80 and 153,414,390.11 is: 211,791,460.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,993,097.06 : 289,899,432.80 = 153,414,390.11 : x
  2. Step 2: Convert to fraction form
    209,993,097.06/289,899,432.80 = 153,414,390.11/x
  3. Step 3: Cross multiply
    209,993,097.06x = 289,899,432.80 × 153,414,390.11
  4. Step 4: Simplify right side
    209,993,097.06x = 44,474,744,674,030,360
  5. Step 5: Solve for x
    x = 44,474,744,674,030,360/209,993,097.06
  6. Step 6: Final answer
    x = 211,791,460.28

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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.