Home / 130,665,834.70-196,028,280.34-43,227,144.90

Finding the Fourth Proportional to 130,665,834.70, 196,028,280.34 and 43,227,144.90

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Solution

The fourth proportional to 130,665,834.70, 196,028,280.34 and 43,227,144.90 is: 64,850,485.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,665,834.70 : 196,028,280.34 = 43,227,144.90 : x
  2. Step 2: Convert to fraction form
    130,665,834.70/196,028,280.34 = 43,227,144.90/x
  3. Step 3: Cross multiply
    130,665,834.70x = 196,028,280.34 × 43,227,144.90
  4. Step 4: Simplify right side
    130,665,834.70x = 8,473,742,878,646,933
  5. Step 5: Solve for x
    x = 8,473,742,878,646,933/130,665,834.70
  6. Step 6: Final answer
    x = 64,850,485.96

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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.