Home / 69,439,479.20-104,164,898.56-34,878,109.76

Finding the Fourth Proportional to 69,439,479.20, 104,164,898.56 and 34,878,109.76

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Solution

The fourth proportional to 69,439,479.20, 104,164,898.56 and 34,878,109.76 is: 52,320,017.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,439,479.20 : 104,164,898.56 = 34,878,109.76 : x
  2. Step 2: Convert to fraction form
    69,439,479.20/104,164,898.56 = 34,878,109.76/x
  3. Step 3: Cross multiply
    69,439,479.20x = 104,164,898.56 × 34,878,109.76
  4. Step 4: Simplify right side
    69,439,479.20x = 3,633,074,765,114,946
  5. Step 5: Solve for x
    x = 3,633,074,765,114,946/69,439,479.20
  6. Step 6: Final answer
    x = 52,320,017.47

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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.