Home / 47,780,940.34-71,559,807.90-43,922,678.68

Finding the Fourth Proportional to 47,780,940.34, 71,559,807.90 and 43,922,678.68

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Solution

The fourth proportional to 47,780,940.34, 71,559,807.90 and 43,922,678.68 is: 65,781,427.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,780,940.34 : 71,559,807.90 = 43,922,678.68 : x
  2. Step 2: Convert to fraction form
    47,780,940.34/71,559,807.90 = 43,922,678.68/x
  3. Step 3: Cross multiply
    47,780,940.34x = 71,559,807.90 × 43,922,678.68
  4. Step 4: Simplify right side
    47,780,940.34x = 3,143,098,448,794,226
  5. Step 5: Solve for x
    x = 3,143,098,448,794,226/47,780,940.34
  6. Step 6: Final answer
    x = 65,781,427.21

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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.