Home / 83,760,219.40-125,742,680.70-47,393,908.60

Finding the Fourth Proportional to 83,760,219.40, 125,742,680.70 and 47,393,908.60

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Solution

The fourth proportional to 83,760,219.40, 125,742,680.70 and 47,393,908.60 is: 71,148,776.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,760,219.40 : 125,742,680.70 = 47,393,908.60 : x
  2. Step 2: Convert to fraction form
    83,760,219.40/125,742,680.70 = 47,393,908.60/x
  3. Step 3: Cross multiply
    83,760,219.40x = 125,742,680.70 × 47,393,908.60
  4. Step 4: Simplify right side
    83,760,219.40x = 5,959,437,116,214,784
  5. Step 5: Solve for x
    x = 5,959,437,116,214,784/83,760,219.40
  6. Step 6: Final answer
    x = 71,148,776.34

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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.