Home / 91,641,520.80-137,462,281.20-52,899,471.90

Finding the Fourth Proportional to 91,641,520.80, 137,462,281.20 and 52,899,471.90

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Solution

The fourth proportional to 91,641,520.80, 137,462,281.20 and 52,899,471.90 is: 79,349,207.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,641,520.80 : 137,462,281.20 = 52,899,471.90 : x
  2. Step 2: Convert to fraction form
    91,641,520.80/137,462,281.20 = 52,899,471.90/x
  3. Step 3: Cross multiply
    91,641,520.80x = 137,462,281.20 × 52,899,471.90
  4. Step 4: Simplify right side
    91,641,520.80x = 7,271,682,081,649,297
  5. Step 5: Solve for x
    x = 7,271,682,081,649,297/91,641,520.80
  6. Step 6: Final answer
    x = 79,349,207.85

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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.