Home / 127,038,469.04-190,566,811.70-53,187,932.97

Finding the Fourth Proportional to 127,038,469.04, 190,566,811.70 and 53,187,932.97

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Solution

The fourth proportional to 127,038,469.04, 190,566,811.70 and 53,187,932.97 is: 79,785,712.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,038,469.04 : 190,566,811.70 = 53,187,932.97 : x
  2. Step 2: Convert to fraction form
    127,038,469.04/190,566,811.70 = 53,187,932.97/x
  3. Step 3: Cross multiply
    127,038,469.04x = 190,566,811.70 × 53,187,932.97
  4. Step 4: Simplify right side
    127,038,469.04x = 10,135,854,807,006,210
  5. Step 5: Solve for x
    x = 10,135,854,807,006,210/127,038,469.04
  6. Step 6: Final answer
    x = 79,785,712.81

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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.