Home / 190,635,567.75-263,062,645.83-106,987,543.20

Finding the Fourth Proportional to 190,635,567.75, 263,062,645.83 and 106,987,543.20

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Solution

The fourth proportional to 190,635,567.75, 263,062,645.83 and 106,987,543.20 is: 147,634,706.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,635,567.75 : 263,062,645.83 = 106,987,543.20 : x
  2. Step 2: Convert to fraction form
    190,635,567.75/263,062,645.83 = 106,987,543.20/x
  3. Step 3: Cross multiply
    190,635,567.75x = 263,062,645.83 × 106,987,543.20
  4. Step 4: Simplify right side
    190,635,567.75x = 28,144,426,185,043,428
  5. Step 5: Solve for x
    x = 28,144,426,185,043,428/190,635,567.75
  6. Step 6: Final answer
    x = 147,634,706.98

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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.