Home / 142,170,952.68-213,232,043.16-45,105,024.96

Finding the Fourth Proportional to 142,170,952.68, 213,232,043.16 and 45,105,024.96

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Solution

The fourth proportional to 142,170,952.68, 213,232,043.16 and 45,105,024.96 is: 67,649,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,170,952.68 : 213,232,043.16 = 45,105,024.96 : x
  2. Step 2: Convert to fraction form
    142,170,952.68/213,232,043.16 = 45,105,024.96/x
  3. Step 3: Cross multiply
    142,170,952.68x = 213,232,043.16 × 45,105,024.96
  4. Step 4: Simplify right side
    142,170,952.68x = 9,617,836,629,003,598
  5. Step 5: Solve for x
    x = 9,617,836,629,003,598/142,170,952.68
  6. Step 6: Final answer
    x = 67,649,800.80

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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.