Home / 89,028,019.80-133,542,029.70-37,915,205.40

Finding the Fourth Proportional to 89,028,019.80, 133,542,029.70 and 37,915,205.40

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Solution

The fourth proportional to 89,028,019.80, 133,542,029.70 and 37,915,205.40 is: 56,872,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,028,019.80 : 133,542,029.70 = 37,915,205.40 : x
  2. Step 2: Convert to fraction form
    89,028,019.80/133,542,029.70 = 37,915,205.40/x
  3. Step 3: Cross multiply
    89,028,019.80x = 133,542,029.70 × 37,915,205.40
  4. Step 4: Simplify right side
    89,028,019.80x = 5,063,273,485,608,400
  5. Step 5: Solve for x
    x = 5,063,273,485,608,400/89,028,019.80
  6. Step 6: Final answer
    x = 56,872,808.10

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1.5x scale

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.