Home / 260,915,838.36-360,064,088.55-143,443,167.27

Finding the Fourth Proportional to 260,915,838.36, 360,064,088.55 and 143,443,167.27

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Solution

The fourth proportional to 260,915,838.36, 360,064,088.55 and 143,443,167.27 is: 197,951,698.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,915,838.36 : 360,064,088.55 = 143,443,167.27 : x
  2. Step 2: Convert to fraction form
    260,915,838.36/360,064,088.55 = 143,443,167.27/x
  3. Step 3: Cross multiply
    260,915,838.36x = 360,064,088.55 × 143,443,167.27
  4. Step 4: Simplify right side
    260,915,838.36x = 51,648,733,281,797,744
  5. Step 5: Solve for x
    x = 51,648,733,281,797,744/260,915,838.36
  6. Step 6: Final answer
    x = 197,951,698.17

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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.