Home / 51,948,878.40-77,923,317.60-21,678,465.60

Finding the Fourth Proportional to 51,948,878.40, 77,923,317.60 and 21,678,465.60

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Solution

The fourth proportional to 51,948,878.40, 77,923,317.60 and 21,678,465.60 is: 32,517,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,948,878.40 : 77,923,317.60 = 21,678,465.60 : x
  2. Step 2: Convert to fraction form
    51,948,878.40/77,923,317.60 = 21,678,465.60/x
  3. Step 3: Cross multiply
    51,948,878.40x = 77,923,317.60 × 21,678,465.60
  4. Step 4: Simplify right side
    51,948,878.40x = 1,689,257,960,029,474.50
  5. Step 5: Solve for x
    x = 1,689,257,960,029,474.50/51,948,878.40
  6. Step 6: Final answer
    x = 32,517,698.40

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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.