Home / 132,090,001.40-198,135,002.10-70,867,998.20

Finding the Fourth Proportional to 132,090,001.40, 198,135,002.10 and 70,867,998.20

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Solution

The fourth proportional to 132,090,001.40, 198,135,002.10 and 70,867,998.20 is: 106,301,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,090,001.40 : 198,135,002.10 = 70,867,998.20 : x
  2. Step 2: Convert to fraction form
    132,090,001.40/198,135,002.10 = 70,867,998.20/x
  3. Step 3: Cross multiply
    132,090,001.40x = 198,135,002.10 × 70,867,998.20
  4. Step 4: Simplify right side
    132,090,001.40x = 14,041,430,972,179,796
  5. Step 5: Solve for x
    x = 14,041,430,972,179,796/132,090,001.40
  6. Step 6: Final answer
    x = 106,301,997.30

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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.