Home / 188,745,555.87-260,406,576.68-153,878,302.35

Finding the Fourth Proportional to 188,745,555.87, 260,406,576.68 and 153,878,302.35

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Solution

The fourth proportional to 188,745,555.87, 260,406,576.68 and 153,878,302.35 is: 212,301,273.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,745,555.87 : 260,406,576.68 = 153,878,302.35 : x
  2. Step 2: Convert to fraction form
    188,745,555.87/260,406,576.68 = 153,878,302.35/x
  3. Step 3: Cross multiply
    188,745,555.87x = 260,406,576.68 × 153,878,302.35
  4. Step 4: Simplify right side
    188,745,555.87x = 40,070,921,939,524,104
  5. Step 5: Solve for x
    x = 40,070,921,939,524,104/188,745,555.87
  6. Step 6: Final answer
    x = 212,301,273.82

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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.