Home / 49,687,520.40-74,486,957.40-19,388,336.40

Finding the Fourth Proportional to 49,687,520.40, 74,486,957.40 and 19,388,336.40

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Solution

The fourth proportional to 49,687,520.40, 74,486,957.40 and 19,388,336.40 is: 29,065,209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,687,520.40 : 74,486,957.40 = 19,388,336.40 : x
  2. Step 2: Convert to fraction form
    49,687,520.40/74,486,957.40 = 19,388,336.40/x
  3. Step 3: Cross multiply
    49,687,520.40x = 74,486,957.40 × 19,388,336.40
  4. Step 4: Simplify right side
    49,687,520.40x = 1,444,178,187,483,669.25
  5. Step 5: Solve for x
    x = 1,444,178,187,483,669.25/49,687,520.40
  6. Step 6: Final answer
    x = 29,065,209.45

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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.