Home / 82,987,602.81-114,522,356.60-45,820,199.37

Finding the Fourth Proportional to 82,987,602.81, 114,522,356.60 and 45,820,199.37

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Solution

The fourth proportional to 82,987,602.81, 114,522,356.60 and 45,820,199.37 is: 63,231,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,987,602.81 : 114,522,356.60 = 45,820,199.37 : x
  2. Step 2: Convert to fraction form
    82,987,602.81/114,522,356.60 = 45,820,199.37/x
  3. Step 3: Cross multiply
    82,987,602.81x = 114,522,356.60 × 45,820,199.37
  4. Step 4: Simplify right side
    82,987,602.81x = 5,247,437,212,364,387
  5. Step 5: Solve for x
    x = 5,247,437,212,364,387/82,987,602.81
  6. Step 6: Final answer
    x = 63,231,579.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.