Home / 40,660,742.49-60,973,209.50-19,101,471.45

Finding the Fourth Proportional to 40,660,742.49, 60,973,209.50 and 19,101,471.45

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Solution

The fourth proportional to 40,660,742.49, 60,973,209.50 and 19,101,471.45 is: 28,643,796.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,660,742.49 : 60,973,209.50 = 19,101,471.45 : x
  2. Step 2: Convert to fraction form
    40,660,742.49/60,973,209.50 = 19,101,471.45/x
  3. Step 3: Cross multiply
    40,660,742.49x = 60,973,209.50 × 19,101,471.45
  4. Step 4: Simplify right side
    40,660,742.49x = 1,164,678,020,383,611.25
  5. Step 5: Solve for x
    x = 1,164,678,020,383,611.25/40,660,742.49
  6. Step 6: Final answer
    x = 28,643,796.18

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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.