Home / 260,199,992-390,308,075.04-96,478,489.28

Finding the Fourth Proportional to 260,199,992, 390,308,075.04 and 96,478,489.28

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Solution

The fourth proportional to 260,199,992, 390,308,075.04 and 96,478,489.28 is: 144,720,732.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,199,992 : 390,308,075.04 = 96,478,489.28 : x
  2. Step 2: Convert to fraction form
    260,199,992/390,308,075.04 = 96,478,489.28/x
  3. Step 3: Cross multiply
    260,199,992x = 390,308,075.04 × 96,478,489.28
  4. Step 4: Simplify right side
    260,199,992x = 37,656,333,433,644,080
  5. Step 5: Solve for x
    x = 37,656,333,433,644,080/260,199,992
  6. Step 6: Final answer
    x = 144,720,732.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.