Home / 132,142,838.98-198,010,539.42-70,740,145.84

Finding the Fourth Proportional to 132,142,838.98, 198,010,539.42 and 70,740,145.84

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Solution

The fourth proportional to 132,142,838.98, 198,010,539.42 and 70,740,145.84 is: 106,001,161.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,142,838.98 : 198,010,539.42 = 70,740,145.84 : x
  2. Step 2: Convert to fraction form
    132,142,838.98/198,010,539.42 = 70,740,145.84/x
  3. Step 3: Cross multiply
    132,142,838.98x = 198,010,539.42 × 70,740,145.84
  4. Step 4: Simplify right side
    132,142,838.98x = 14,007,294,436,427,868
  5. Step 5: Solve for x
    x = 14,007,294,436,427,868/132,142,838.98
  6. Step 6: Final answer
    x = 106,001,161.66

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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.