Home / 193,137,813.20-289,758,041.40-83,916,117.20

Finding the Fourth Proportional to 193,137,813.20, 289,758,041.40 and 83,916,117.20

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Solution

The fourth proportional to 193,137,813.20, 289,758,041.40 and 83,916,117.20 is: 125,896,474.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,137,813.20 : 289,758,041.40 = 83,916,117.20 : x
  2. Step 2: Convert to fraction form
    193,137,813.20/289,758,041.40 = 83,916,117.20/x
  3. Step 3: Cross multiply
    193,137,813.20x = 289,758,041.40 × 83,916,117.20
  4. Step 4: Simplify right side
    193,137,813.20x = 24,315,369,761,764,852
  5. Step 5: Solve for x
    x = 24,315,369,761,764,852/193,137,813.20
  6. Step 6: Final answer
    x = 125,896,474.43

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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.