Home / 188,502,602.64-260,135,985.63-103,739,480.75

Finding the Fourth Proportional to 188,502,602.64, 260,135,985.63 and 103,739,480.75

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Solution

The fourth proportional to 188,502,602.64, 260,135,985.63 and 103,739,480.75 is: 143,161,800.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,502,602.64 : 260,135,985.63 = 103,739,480.75 : x
  2. Step 2: Convert to fraction form
    188,502,602.64/260,135,985.63 = 103,739,480.75/x
  3. Step 3: Cross multiply
    188,502,602.64x = 260,135,985.63 × 103,739,480.75
  4. Step 4: Simplify right side
    188,502,602.64x = 26,986,372,074,093,744
  5. Step 5: Solve for x
    x = 26,986,372,074,093,744/188,502,602.64
  6. Step 6: Final answer
    x = 143,161,800.93

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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.