Home / 76,032,015.80-114,048,023.70-71,553,039.80

Finding the Fourth Proportional to 76,032,015.80, 114,048,023.70 and 71,553,039.80

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Solution

The fourth proportional to 76,032,015.80, 114,048,023.70 and 71,553,039.80 is: 107,329,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,032,015.80 : 114,048,023.70 = 71,553,039.80 : x
  2. Step 2: Convert to fraction form
    76,032,015.80/114,048,023.70 = 71,553,039.80/x
  3. Step 3: Cross multiply
    76,032,015.80x = 114,048,023.70 × 71,553,039.80
  4. Step 4: Simplify right side
    76,032,015.80x = 8,160,482,778,917,443
  5. Step 5: Solve for x
    x = 8,160,482,778,917,443/76,032,015.80
  6. Step 6: Final answer
    x = 107,329,559.70

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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.