Home / 52,770,856.80-79,128,291.60-18,693,314.40

Finding the Fourth Proportional to 52,770,856.80, 79,128,291.60 and 18,693,314.40

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Solution

The fourth proportional to 52,770,856.80, 79,128,291.60 and 18,693,314.40 is: 28,030,055.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,770,856.80 : 79,128,291.60 = 18,693,314.40 : x
  2. Step 2: Convert to fraction form
    52,770,856.80/79,128,291.60 = 18,693,314.40/x
  3. Step 3: Cross multiply
    52,770,856.80x = 79,128,291.60 × 18,693,314.40
  4. Step 4: Simplify right side
    52,770,856.80x = 1,479,170,032,813,678.75
  5. Step 5: Solve for x
    x = 1,479,170,032,813,678.75/52,770,856.80
  6. Step 6: Final answer
    x = 28,030,055.27

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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.