Home / 51,914,440.20-77,879,407.68-19,122,510.36

Finding the Fourth Proportional to 51,914,440.20, 77,879,407.68 and 19,122,510.36

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Solution

The fourth proportional to 51,914,440.20, 77,879,407.68 and 19,122,510.36 is: 28,686,619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,914,440.20 : 77,879,407.68 = 19,122,510.36 : x
  2. Step 2: Convert to fraction form
    51,914,440.20/77,879,407.68 = 19,122,510.36/x
  3. Step 3: Cross multiply
    51,914,440.20x = 77,879,407.68 × 19,122,510.36
  4. Step 4: Simplify right side
    51,914,440.20x = 1,489,249,780,191,463.75
  5. Step 5: Solve for x
    x = 1,489,249,780,191,463.75/51,914,440.20
  6. Step 6: Final answer
    x = 28,686,619.26

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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.