Home / 76,032,005.80-114,048,008.70-45,798,917.80

Finding the Fourth Proportional to 76,032,005.80, 114,048,008.70 and 45,798,917.80

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Solution

The fourth proportional to 76,032,005.80, 114,048,008.70 and 45,798,917.80 is: 68,698,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,032,005.80 : 114,048,008.70 = 45,798,917.80 : x
  2. Step 2: Convert to fraction form
    76,032,005.80/114,048,008.70 = 45,798,917.80/x
  3. Step 3: Cross multiply
    76,032,005.80x = 114,048,008.70 × 45,798,917.80
  4. Step 4: Simplify right side
    76,032,005.80x = 5,223,275,375,704,985
  5. Step 5: Solve for x
    x = 5,223,275,375,704,985/76,032,005.80
  6. Step 6: Final answer
    x = 68,698,376.70

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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.