Home / 127,504,643.40-191,682,117.90-108,797,920.20

Finding the Fourth Proportional to 127,504,643.40, 191,682,117.90 and 108,797,920.20

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Solution

The fourth proportional to 127,504,643.40, 191,682,117.90 and 108,797,920.20 is: 163,559,657.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,504,643.40 : 191,682,117.90 = 108,797,920.20 : x
  2. Step 2: Convert to fraction form
    127,504,643.40/191,682,117.90 = 108,797,920.20/x
  3. Step 3: Cross multiply
    127,504,643.40x = 191,682,117.90 × 108,797,920.20
  4. Step 4: Simplify right side
    127,504,643.40x = 20,854,615,767,051,192
  5. Step 5: Solve for x
    x = 20,854,615,767,051,192/127,504,643.40
  6. Step 6: Final answer
    x = 163,559,657.21

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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.