Home / 52,813,927.80-79,214,155.74-20,443,681.80

Finding the Fourth Proportional to 52,813,927.80, 79,214,155.74 and 20,443,681.80

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Solution

The fourth proportional to 52,813,927.80, 79,214,155.74 and 20,443,681.80 is: 30,662,915.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,813,927.80 : 79,214,155.74 = 20,443,681.80 : x
  2. Step 2: Convert to fraction form
    52,813,927.80/79,214,155.74 = 20,443,681.80/x
  3. Step 3: Cross multiply
    52,813,927.80x = 79,214,155.74 × 20,443,681.80
  4. Step 4: Simplify right side
    52,813,927.80x = 1,619,428,994,004,203.50
  5. Step 5: Solve for x
    x = 1,619,428,994,004,203.50/52,813,927.80
  6. Step 6: Final answer
    x = 30,662,915.29

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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.