Home / 132,092,809.40-198,139,214.10-91,782,025.40

Finding the Fourth Proportional to 132,092,809.40, 198,139,214.10 and 91,782,025.40

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Solution

The fourth proportional to 132,092,809.40, 198,139,214.10 and 91,782,025.40 is: 137,673,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,092,809.40 : 198,139,214.10 = 91,782,025.40 : x
  2. Step 2: Convert to fraction form
    132,092,809.40/198,139,214.10 = 91,782,025.40/x
  3. Step 3: Cross multiply
    132,092,809.40x = 198,139,214.10 × 91,782,025.40
  4. Step 4: Simplify right side
    132,092,809.40x = 18,185,618,381,262,240
  5. Step 5: Solve for x
    x = 18,185,618,381,262,240/132,092,809.40
  6. Step 6: Final answer
    x = 137,673,038.10

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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.