Home / 61,205,722.80-91,808,584.20-47,335,112.70

Finding the Fourth Proportional to 61,205,722.80, 91,808,584.20 and 47,335,112.70

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Solution

The fourth proportional to 61,205,722.80, 91,808,584.20 and 47,335,112.70 is: 71,002,669.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,205,722.80 : 91,808,584.20 = 47,335,112.70 : x
  2. Step 2: Convert to fraction form
    61,205,722.80/91,808,584.20 = 47,335,112.70/x
  3. Step 3: Cross multiply
    61,205,722.80x = 91,808,584.20 × 47,335,112.70
  4. Step 4: Simplify right side
    61,205,722.80x = 4,345,769,679,934,440
  5. Step 5: Solve for x
    x = 4,345,769,679,934,440/61,205,722.80
  6. Step 6: Final answer
    x = 71,002,669.05

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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.