Home / 132,092,603.40-198,138,905.10-70,870,600.20

Finding the Fourth Proportional to 132,092,603.40, 198,138,905.10 and 70,870,600.20

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Solution

The fourth proportional to 132,092,603.40, 198,138,905.10 and 70,870,600.20 is: 106,305,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,092,603.40 : 198,138,905.10 = 70,870,600.20 : x
  2. Step 2: Convert to fraction form
    132,092,603.40/198,138,905.10 = 70,870,600.20/x
  3. Step 3: Cross multiply
    132,092,603.40x = 198,138,905.10 × 70,870,600.20
  4. Step 4: Simplify right side
    132,092,603.40x = 14,042,223,127,407,842
  5. Step 5: Solve for x
    x = 14,042,223,127,407,842/132,092,603.40
  6. Step 6: Final answer
    x = 106,305,900.30

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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.