Home / 260,681,393.36-359,744,007.51-143,217,579.62

Finding the Fourth Proportional to 260,681,393.36, 359,744,007.51 and 143,217,579.62

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Solution

The fourth proportional to 260,681,393.36, 359,744,007.51 and 143,217,579.62 is: 197,642,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,681,393.36 : 359,744,007.51 = 143,217,579.62 : x
  2. Step 2: Convert to fraction form
    260,681,393.36/359,744,007.51 = 143,217,579.62/x
  3. Step 3: Cross multiply
    260,681,393.36x = 359,744,007.51 × 143,217,579.62
  4. Step 4: Simplify right side
    260,681,393.36x = 51,521,666,036,582,584
  5. Step 5: Solve for x
    x = 51,521,666,036,582,584/260,681,393.36
  6. Step 6: Final answer
    x = 197,642,284.22

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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.