Home / 132,595,376.40-198,557,141.40-105,721,520.40

Finding the Fourth Proportional to 132,595,376.40, 198,557,141.40 and 105,721,520.40

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Solution

The fourth proportional to 132,595,376.40, 198,557,141.40 and 105,721,520.40 is: 158,314,440.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,595,376.40 : 198,557,141.40 = 105,721,520.40 : x
  2. Step 2: Convert to fraction form
    132,595,376.40/198,557,141.40 = 105,721,520.40/x
  3. Step 3: Cross multiply
    132,595,376.40x = 198,557,141.40 × 105,721,520.40
  4. Step 4: Simplify right side
    132,595,376.40x = 20,991,762,875,085,788
  5. Step 5: Solve for x
    x = 20,991,762,875,085,788/132,595,376.40
  6. Step 6: Final answer
    x = 158,314,440.86

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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.