Home / 132,090,000.40-198,135,000.60-70,867,997.20

Finding the Fourth Proportional to 132,090,000.40, 198,135,000.60 and 70,867,997.20

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Solution

The fourth proportional to 132,090,000.40, 198,135,000.60 and 70,867,997.20 is: 106,301,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,090,000.40 : 198,135,000.60 = 70,867,997.20 : x
  2. Step 2: Convert to fraction form
    132,090,000.40/198,135,000.60 = 70,867,997.20/x
  3. Step 3: Cross multiply
    132,090,000.40x = 198,135,000.60 × 70,867,997.20
  4. Step 4: Simplify right side
    132,090,000.40x = 14,041,430,667,742,798
  5. Step 5: Solve for x
    x = 14,041,430,667,742,798/132,090,000.40
  6. Step 6: Final answer
    x = 106,301,995.80

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1.5x scale

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.