Home / 126,962,231.04-175,209,796.80-71,220,006.72

Finding the Fourth Proportional to 126,962,231.04, 175,209,796.80 and 71,220,006.72

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Solution

The fourth proportional to 126,962,231.04, 175,209,796.80 and 71,220,006.72 is: 98,284,685.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,962,231.04 : 175,209,796.80 = 71,220,006.72 : x
  2. Step 2: Convert to fraction form
    126,962,231.04/175,209,796.80 = 71,220,006.72/x
  3. Step 3: Cross multiply
    126,962,231.04x = 175,209,796.80 × 71,220,006.72
  4. Step 4: Simplify right side
    126,962,231.04x = 12,478,442,905,505,836
  5. Step 5: Solve for x
    x = 12,478,442,905,505,836/126,962,231.04
  6. Step 6: Final answer
    x = 98,284,685.16

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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.