Home / 85,221,810.80-127,885,204.20-36,722,898.80

Finding the Fourth Proportional to 85,221,810.80, 127,885,204.20 and 36,722,898.80

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Solution

The fourth proportional to 85,221,810.80, 127,885,204.20 and 36,722,898.80 is: 55,106,965.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,221,810.80 : 127,885,204.20 = 36,722,898.80 : x
  2. Step 2: Convert to fraction form
    85,221,810.80/127,885,204.20 = 36,722,898.80/x
  3. Step 3: Cross multiply
    85,221,810.80x = 127,885,204.20 × 36,722,898.80
  4. Step 4: Simplify right side
    85,221,810.80x = 4,696,315,411,853,935
  5. Step 5: Solve for x
    x = 4,696,315,411,853,935/85,221,810.80
  6. Step 6: Final answer
    x = 55,106,965.78

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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.