Home / 166,637,025.21-249,956,366.16-68,322,432.21

Finding the Fourth Proportional to 166,637,025.21, 249,956,366.16 and 68,322,432.21

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Solution

The fourth proportional to 166,637,025.21, 249,956,366.16 and 68,322,432.21 is: 102,483,987.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,637,025.21 : 249,956,366.16 = 68,322,432.21 : x
  2. Step 2: Convert to fraction form
    166,637,025.21/249,956,366.16 = 68,322,432.21/x
  3. Step 3: Cross multiply
    166,637,025.21x = 249,956,366.16 × 68,322,432.21
  4. Step 4: Simplify right side
    166,637,025.21x = 17,077,626,882,424,536
  5. Step 5: Solve for x
    x = 17,077,626,882,424,536/166,637,025.21
  6. Step 6: Final answer
    x = 102,483,987.94

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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.