Home / 127,923,609.80-191,727,950.70-86,982,969.80

Finding the Fourth Proportional to 127,923,609.80, 191,727,950.70 and 86,982,969.80

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Solution

The fourth proportional to 127,923,609.80, 191,727,950.70 and 86,982,969.80 is: 130,367,385.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,923,609.80 : 191,727,950.70 = 86,982,969.80 : x
  2. Step 2: Convert to fraction form
    127,923,609.80/191,727,950.70 = 86,982,969.80/x
  3. Step 3: Cross multiply
    127,923,609.80x = 191,727,950.70 × 86,982,969.80
  4. Step 4: Simplify right side
    127,923,609.80x = 16,677,066,545,553,988
  5. Step 5: Solve for x
    x = 16,677,066,545,553,988/127,923,609.80
  6. Step 6: Final answer
    x = 130,367,385.44

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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.