Home / 74,262,114.40-111,393,171.60-19,683,123.72

Finding the Fourth Proportional to 74,262,114.40, 111,393,171.60 and 19,683,123.72

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Solution

The fourth proportional to 74,262,114.40, 111,393,171.60 and 19,683,123.72 is: 29,524,685.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,262,114.40 : 111,393,171.60 = 19,683,123.72 : x
  2. Step 2: Convert to fraction form
    74,262,114.40/111,393,171.60 = 19,683,123.72/x
  3. Step 3: Cross multiply
    74,262,114.40x = 111,393,171.60 × 19,683,123.72
  4. Step 4: Simplify right side
    74,262,114.40x = 2,192,565,578,165,990
  5. Step 5: Solve for x
    x = 2,192,565,578,165,990/74,262,114.40
  6. Step 6: Final answer
    x = 29,524,685.58

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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.