Home / 85,284,805.80-127,927,208.70-76,197,164.70

Finding the Fourth Proportional to 85,284,805.80, 127,927,208.70 and 76,197,164.70

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Solution

The fourth proportional to 85,284,805.80, 127,927,208.70 and 76,197,164.70 is: 114,295,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,284,805.80 : 127,927,208.70 = 76,197,164.70 : x
  2. Step 2: Convert to fraction form
    85,284,805.80/127,927,208.70 = 76,197,164.70/x
  3. Step 3: Cross multiply
    85,284,805.80x = 127,927,208.70 × 76,197,164.70
  4. Step 4: Simplify right side
    85,284,805.80x = 9,747,690,590,925,174
  5. Step 5: Solve for x
    x = 9,747,690,590,925,174/85,284,805.80
  6. Step 6: Final answer
    x = 114,295,747.05

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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.