Home / 76,475,814.12-114,766,700.04-30,412,962.54

Finding the Fourth Proportional to 76,475,814.12, 114,766,700.04 and 30,412,962.54

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Solution

The fourth proportional to 76,475,814.12, 114,766,700.04 and 30,412,962.54 is: 45,640,512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,475,814.12 : 114,766,700.04 = 30,412,962.54 : x
  2. Step 2: Convert to fraction form
    76,475,814.12/114,766,700.04 = 30,412,962.54/x
  3. Step 3: Cross multiply
    76,475,814.12x = 114,766,700.04 × 30,412,962.54
  4. Step 4: Simplify right side
    76,475,814.12x = 3,490,395,349,155,936.50
  5. Step 5: Solve for x
    x = 3,490,395,349,155,936.50/76,475,814.12
  6. Step 6: Final answer
    x = 45,640,512.49

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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.