Home / 191,574,008.80-287,333,019.60-55,245,176.80

Finding the Fourth Proportional to 191,574,008.80, 287,333,019.60 and 55,245,176.80

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Solution

The fourth proportional to 191,574,008.80, 287,333,019.60 and 55,245,176.80 is: 82,859,692.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,574,008.80 : 287,333,019.60 = 55,245,176.80 : x
  2. Step 2: Convert to fraction form
    191,574,008.80/287,333,019.60 = 55,245,176.80/x
  3. Step 3: Cross multiply
    191,574,008.80x = 287,333,019.60 × 55,245,176.80
  4. Step 4: Simplify right side
    191,574,008.80x = 15,873,763,468,279,866
  5. Step 5: Solve for x
    x = 15,873,763,468,279,866/191,574,008.80
  6. Step 6: Final answer
    x = 82,859,692.54

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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.